Science for Sport Podcast

This week on the Science for Sport Podcast, host Richard Graves is joined by Dan Metcalfe, former youth footballer, West End performer, Olympic development coach, and now international keynote speaker and founder of Born Superhuman. Dan’s story is nothing short of extraordinary. From a career-ending accident that left him paralysed and blind in one eye, to rebuilding his life, defying medical diagnoses, and going on to coach Olympic-level athletes. His journey is a masterclass in resilience, mindset, and human potential. In this inspiring conversation, Dan shares the philosophy that underpins his Born Superhuman method, revealing how mindset, breathwork, hydration, and self-belief can transform performance in sport and life. In this episode, you’ll learn: How Dan overcame paralysis and rebuilt his life Why mental training is just as critical as physical training for peak performance The seven pillars of Dan’s Born Superhuman philosophy and how they apply to everyone How reframing setbacks as “gifts” can unlock growth and success Why elite athletes and CEOs alike struggle with the same mental blocks, and how to rewire them The simple word change that helped Dan drop from 21% to 8% body fat without changing his diet How hydration, sleep, and breathing directly impact focus and performance The neuroscience behind belief, recovery, and human potential About Dan Metcalfe Dan Metcalfe is a performance and mindset coach, keynote speaker, and founder of Born Superhuman. His remarkable journey spans football, theatre, and elite sports coaching. After suffering paralysis and vision loss in a stage accident, Dan defied medical expectations and rebuilt his body and mind through sheer determination and psychological mastery. He went on to become Nike Youth Coach of the Year (USA), leading players into professional football and working across the US Olympic Development Program. Today, he helps elite athletes, business leaders, and teams unlock their full potential through his Born Superhuman framework, blending neuroscience, mindset, and performance principles to inspire extraordinary results. FREE 7d SCIENCE FOR SPORT ACADEMY TRIAL SIGN UP NOW: https://bit.ly/SFSepisode241 ​ Learn Quicker & More Effectively ​ Optimise Your Athletes' Recovery ​ Position Yourself As An Expert To Your Athletes And Naturally Improve Buy-In ​ Reduce Your Athletes' Injury Ratese ​ Save 100's Of Dollars A Year That Would Otherwise Be Spent On Books, Courses And More ​ Improve Your Athletes' Performance ​ Advance Forward In Your Career, Allowing You To Earn More Money And Work With Elite-Level Athletes ​ Save Yourself The Stress & Worry Of Constantly Trying To Stay Up-To-Date With Sports Science Research

This week, host Richard Graves welcomes David Mead, former professional rugby league star turned business leader, to discuss one of the most challenging transitions in sport, life after professional competition. Over a 14-year professional career, David represented the Gold Coast Titans, Brisbane Broncos, and Catalan Dragons, as well as Papua New Guinea on the international stage. Today, he channels the lessons learned from elite sport into helping corporate teams and organisations build courage, respect, and accountability. In this episode, David offers a deeply personal and insightful look at the highs and lows of professional sport, the mental and emotional adjustment that comes with retirement, and how athletes can successfully navigate the shift to a new identity beyond the game. In This Episode, You’ll Learn: What it takes to transition successfully from professional sport to life after competition How to find identity and purpose once the playing days are over The emotional and psychological challenges of retirement, and how to handle them The importance of structure, support networks, and mindset for post-career success Lessons from sport that translate directly into leadership and team performance in business Why maintaining community, health, and balance is vital for long-term wellbeing ** About David Mead** David Mead is a former NRL and Super League player who represented Papua New Guinea, the Gold Coast Titans, Brisbane Broncos, and Catalan Dragons over a decorated 16-year career. Since retiring, David has become a business owner and performance coach, working with corporate and sporting organisations to instil the values of courage, respect, and accountability. SIGN UP NOW: https://bit.ly/SFSepisode241 ​ Learn Quicker & More Effectively ​ Optimise Your Athletes' Recovery ​ Position Yourself As An Expert To Your Athletes And Naturally Improve Buy-In ​ Reduce Your Athletes' Injury Ratese ​ Save 100's Of Dollars A Year That Would Otherwise Be Spent On Books, Courses And More ​ Improve Your Athletes' Performance ​ Advance Forward In Your Career, Allowing You To Earn More Money And Work With Elite-Level Athletes ​ Save Yourself The Stress & Worry Of Constantly Trying To Stay Up-To-Date With Sports Science Research

This week on the Science for Sport Podcast, host Richard Graves is joined by Stuart Yule, Head of Physical Performance with the Scotland national rugby team. Stuart’s career has spanned elite roles in football, hockey, and judo, before moving into rugby where he’s been a driving force behind Glasgow Warriors’ success and Scotland’s rise on the international stage. Drawing on his unique background as a Commonwealth Games athlete, physiotherapist, and S&C coach, Stuart shares powerful insights into developing players who can thrive at the very highest level. This episode gives a rare behind-the-scenes look at how Scottish Rugby has evolved over the past decade and what it takes to prepare athletes to perform on the international stage. In this episode, you’ll learn: How Stuart’s unique journey, from weightlifting in his dad’s garage to competing for Scotland – shaped his approach to performance. The key differences between preparing players at club vs. international level. Why alignment across national pathways has been critical to Scotland’s success. How Scottish Rugby has raised physical standards and created a culture of continual improvement. Lessons from other sports (including judo, athletics, and AFL) that are now embedded in rugby performance. The importance of technical mastery, co-created training programmes, and athlete ownership in achieving world-class results. How Scotland are preparing physically to compete with the best rugby nations in the world. About Stuart Yule Stuart Yule is Head of Physical Performance with the Scotland national rugby team. A two-time Commonwealth Games competitor in weightlifting, Stuart’s career spans physiotherapy, strength & conditioning, and high-performance coaching. He has worked across football, hockey, and judo before joining Glasgow Warriors, where he played a pivotal role in their domestic and European success. Since 2017, Stuart has been a cornerstone of the Scotland national setup under Head Coach Gregor Townsend, helping raise performance standards and prepare players for the demands of test rugby. SIGN UP NOW: https://bit.ly/SFSepisode241 ​ Learn Quicker & More Effectively ​ Optimise Your Athletes' Recovery ​ Position Yourself As An Expert To Your Athletes And Naturally Improve Buy-In ​ Reduce Your Athletes' Injury Ratese ​ Save 100's Of Dollars A Year That Would Otherwise Be Spent On Books, Courses And More ​ Improve Your Athletes' Performance ​ Advance Forward In Your Career, Allowing You To Earn More Money And Work With Elite-Level Athletes ​ Save Yourself The Stress & Worry Of Constantly Trying To Stay Up-To-Date With Sports Science Research

This week on the Science for Sport Podcast, host Richard Graves is joined by Marc Lewis, Director of Applied Sports Science at the Houston Texans. Marc’s journey is anything but conventional. From a childhood in foster care, to serving as an airborne infantry soldier in the U.S. Army, to becoming one of the leading voices in applied sports science in the NFL. He shares how his military discipline shaped his academic career, how he built his own sports science role from the ground up, and what it’s like to apply evidence-based practice in one of the world’s most demanding sporting environments. For practitioners working in professional sport, this episode offers practical insights into building effective systems, working collaboratively across disciplines, and making better decisions with data. *** In this episode, you’ll learn:** How Marc transitioned from the U.S. Army into academia and ultimately the NFL. Why strong foundations in research methods, measurement, and statistics are critical for sports scientists. How to build sports science systems that connect data collection directly to decision-making. The importance of collaboration across strength & conditioning, athletic training, and coaching. How subjective monitoring can sometimes outweigh objective data when it comes to understanding athletes. Why effective communication—and translating data into a language coaches understand—is essential for buy-in. The role of culture, systems, and people in making technology truly effective. Where Marc sees the next big leap in sports science, including the impact of artificial intelligence. About Marc Lewis Marc Lewis, PhD, is the Director of Applied Sports Science at the Houston Texans. His career spans military service, academia, and professional sport: Former airborne infantry soldier in the U.S. Army. Earned a PhD in Exercise Physiology at Virginia Tech, where he pioneered one of the university’s first applied sports science roles. Held leadership positions at Virginia Tech football and Penn State University in applied health and performance science. Joined the Houston Texans in 2023, where he leads the sports science department, developing integrated systems to support athlete performance and recovery. Co-author of The Sports Science Handbook: A Blueprint for Better Decision-Making in Sport, written with Adam Virgil (Los Angeles Clippers). Marc is passionate about connecting research with practice, building systems that enhance decision-making, and pushing the boundaries of sports science in high-performance environments. SIGN UP NOW: https://bit.ly/SFSepisode241 ​ Learn Quicker & More Effectively ​ Optimise Your Athletes' Recovery ​ Position Yourself As An Expert To Your Athletes And Naturally Improve Buy-In ​ Reduce Your Athletes' Injury Ratese ​ Save 100's Of Dollars A Year That Would Otherwise Be Spent On Books, Courses And More ​ Improve Your Athletes' Performance ​ Advance Forward In Your Career, Allowing You To Earn More Money And Work With Elite-Level Athletes ​ Save Yourself The Stress & Worry Of Constantly Trying To Stay Up-To-Date With Sports Science Research

This week, host Richard Graves is joined by two leading figures driving innovation in sport: Dr Mackenzie Herzog, VP of Player Health & Safety and Strategic Innovation at the NFL Julie Souza, Global Head of Sports at Amazon Web Services (AWS) Together, they explore the groundbreaking NFL Digital Athlete, a data-driven platform reshaping how the league prevents injuries, enhances performance, and safeguards the long-term health of its players. This episode offers a rare look behind the scenes at how one of the world’s biggest sports organisations is using advanced analytics, computer vision, and machine learning to transform player welfare. In this episode, you’ll learn: How the NFL Digital Athlete creates a 360° view of every player by combining wearable, video, and performance data The role of AWS in processing 500 million+ data points per week to power injury prevention and performance insights How data modelling led to rule changes like the dynamic kickoff and banning hip-drop tackles to reduce injuries How computer vision is used to track player pose and limb position to identify mechanisms of injury How concussion risk has dropped thanks to position-specific helmets and guardian caps Why player and coach buy-in has been crucial for the success of data-driven safety initiatives How the Digital Athlete model is now influencing college football, global sport, and even other industries About Dr Mackenzie Herzog Dr Mackenzie Herzog is the Vice President of Player Health & Safety and Strategic Innovation at the NFL. She leads the league’s efforts to reduce injuries, improve player health outcomes, and integrate cutting-edge technology and analytics into performance and safety strategies. Mackenzie has overseen the creation and implementation of the NFL Digital Athlete, spearheading collaborations with partners such as AWS to harness data for player health and safety advancements across the league. About Julie Souza Julie Souza is the Global Head of Sports at Amazon Web Services (AWS), where she partners with leading sports organisations to leverage cloud technology, machine learning, and data analytics to transform athlete performance, fan engagement, and operational efficiency. Julie has played a pivotal role in AWS’s collaboration with the NFL, powering the Digital Athlete platform and pioneering innovations like next-gen stats, optical tracking, and large-scale injury risk modelling. SIGN UP NOW: https://bit.ly/SFSepisode241 ​ Learn Quicker & More Effectively ​ Optimise Your Athletes' Recovery ​ Position Yourself As An Expert To Your Athletes And Naturally Improve Buy-In ​ Reduce Your Athletes' Injury Ratese ​ Save 100's Of Dollars A Year That Would Otherwise Be Spent On Books, Courses And More ​ Improve Your Athletes' Performance ​ Advance Forward In Your Career, Allowing You To Earn More Money And Work With Elite-Level Athletes ​ Save Yourself The Stress & Worry Of Constantly Trying To Stay Up-To-Date With Sports Science Research

This week, host Richard Graves is joined by Ellie Wilson, a professional footballer who has played for Reading, Bristol City, Sheffield United, Wolves, and most recently Melbourne Victory in Australia’s A-League Women. Ellie opens up about her journey through elite football, from being rejected by academies as a young player, to representing England U19s, U20s and U23s, battling an ACL injury, and helping Melbourne Victory break club records this season. This is a powerful conversation for anyone working in or around sports science, performance support, and high-performance teams who wants to understand the real challenges athletes face behind the scenes — and how the right environment can shape success. In this episode, you’ll learn: How the infrastructure and support systems in women’s football are evolving — and where they still need to catch up. The physical and psychological demands on female athletes during adolescence and how clubs can better support them. How Ellie navigated a 13-month ACL rehab and what it taught her about athlete wellbeing and return-to-play planning. Why preparing for life beyond football is vital, and how her sports science degree and S&C studies helped her do that. What it’s like to be part of a team that breaks records but misses out on silverware, and how to process that experience. How penalty shootouts are prepared for and the role of psychology in those high-pressure moments. Practical advice for coaches, practitioners, and parents supporting the next generation of female players. About Ellie Wilson Ellie Wilson is a professional footballer currently playing for Melbourne Victory. She has previously played for Reading, Bristol City, Sheffield United, and Wolves, and has represented England at U19, U20 and U23 levels, playing alongside stars like Leah Williamson and Alessia Russo. Ellie holds a degree in sports science and is studying towards an advanced strength and conditioning qualification, showing her commitment to both performance on the pitch and life beyond it. SIGN UP NOW: https://bit.ly/SFSepisode241 ​ Learn Quicker & More Effectively ​ Optimise Your Athletes' Recovery ​ Position Yourself As An Expert To Your Athletes And Naturally Improve Buy-In ​ Reduce Your Athletes' Injury Ratese ​ Save 100's Of Dollars A Year That Would Otherwise Be Spent On Books, Courses And More ​ Improve Your Athletes' Performance ​ Advance Forward In Your Career, Allowing You To Earn More Money And Work With Elite-Level Athletes ​ Save Yourself The Stress & Worry Of Constantly Trying To Stay Up-To-Date With Sports Science Research

Club Plans & Personal Coaches: Adding An Edge? In this week’s episode, host Richard Graves sits down with Daniel Booth, a performance coach who’s worked inside elite teams (Watford FC, Ealing Trailfinders), across Olympic sprint programmes, and independently with top athletes, to unpack one of the hottest debates in high performance: Should athletes stick strictly to club schedules, or can personal trainers/physios/dietitians add an edge without adding risk? Drawing on experience from football, rugby, and Olympic sport, Daniel explains why tensions flare (mismatched philosophies, poor communication, asset ownership), what great collaboration looks like in the real world, and how high-performing organisations formalise outside support without losing control. What you’ll learn The real source of conflict between club performance/medical staff and external coaches, and how cross-sport thinking challenges “that’s how we’ve always done it.” A practical collaboration model: who shares what, when, and how (weekly data drops, post-match/flight recovery notes, and a single “central coordinator” to integrate inputs). Risk vs. reward in load management: why living on the “edge” drives adaptation, and how to avoid double-loading athletes after intense sessions. Contracts done right: how some teams formally write approved externals into player agreements and set clear, shared calendars. International duty realities: why centralised models in rugby/cricket often outperform football’s fragmented approach, and what football can copy now. Case studies that translate: lessons from LeBron/Mancias and Mahomes/Stroop—how season-long regen blocks and role clarity reduce noise and improve availability. Social media pitfalls: why chasing a “brand” erodes trust, and how word-of-mouth and discretion still win in elite environments. About Daniel Booth Daniel Booth is a performance coach with 10+ years’ experience across elite football (Watford FC), rugby (including Ealing Trailfinders), and Olympic sprint programmes, as well as work with Warner Bros. Discovery. Now operating independently, he partners with clubs and national teams to deliver athlete-centred programming and is formally written into several Premiership rugby player contracts to act as the central performance coordinator, integrating club, country, and external inputs. Daniel’s approach blends cross-sport best practice, honest communication, and low-ego, data-led decision-making focused on availability and longevity. SIGN UP NOW: https://bit.ly/SFSepisode241 ​ Learn Quicker & More Effectively ​ Optimise Your Athletes' Recovery ​ Position Yourself As An Expert To Your Athletes And Naturally Improve Buy-In ​ Reduce Your Athletes' Injury Ratese ​ Save 100's Of Dollars A Year That Would Otherwise Be Spent On Books, Courses And More ​ Improve Your Athletes' Performance ​ Advance Forward In Your Career, Allowing You To Earn More Money And Work With Elite-Level Athletes ​ Save Yourself The Stress & Worry Of Constantly Trying To Stay Up-To-Date With Sports Science Research

This week on the Science for Sport Podcast, host Richard Graves sits down with Nathan Spencer, Strength & Power Coach at the St. George Illawarra Dragons and former NBA Performance Coach with the Orlando Magic. With over 15 years in high-performance sport, Nathan shares his unique journey from the pathways of Australian rugby league to the courts of the NBA, and now back to the NRL. The conversation dives deep into velocity-based training (VBT), practical insights into using data in elite environments, and the importance of education and context when applying technology in sport. Whether you’re a coach, sports scientist, or performance professional, this episode is packed with actionable takeaways and thought-provoking discussions about how to truly leverage tech and data to improve athlete performance. What you’ll learn in this episode How Nathan transitioned from rugby league to the NBA and back, and what he learned in the process The real-world application of velocity-based training (VBT) in different sports, from basketball to rugby league Why context and interpretation matter more than the tech itself Lessons from managing high-performance environments through challenges like COVID and condensed seasons How to educate and upskill coaches to make better, data-driven decisions Emerging trends in VBT and where the technology is headed Insights into Nathan’s upcoming VBT course with Science for Sport, designed to help coaches apply these principles in their own environments About Nathan Spencer Nathan Spencer is an experienced Strength & Power Coach with a global career spanning rugby league, basketball, and elite sport. He has: Worked with NRL clubs, the NBL, and spent four years with the Orlando Magic in the NBA A Master’s in High Performance Sport and a current PhD candidate researching coach mentorships A passion for educating and upskilling coaches, helping practitioners make better, context-driven decisions in their environments SIGN UP NOW: https://bit.ly/SFSepisode241 ​ Learn Quicker & More Effectively ​ Optimise Your Athletes' Recovery ​ Position Yourself As An Expert To Your Athletes And Naturally Improve Buy-In ​ Reduce Your Athletes' Injury Ratese ​ Save 100's Of Dollars A Year That Would Otherwise Be Spent On Books, Courses And More ​ Improve Your Athletes' Performance ​ Advance Forward In Your Career, Allowing You To Earn More Money And Work With Elite-Level Athletes ​ Save Yourself The Stress & Worry Of Constantly Trying To Stay Up-To-Date With Sports Science Research

This week on the Science for Sport Podcast, host Richard Graves sits down with Jacob Rothman, founder of Perch and now Head of Strength at Catapult, to explore how camera-based, AI-driven technology is changing strength and conditioning, velocity-based training, and athlete monitoring in elite sport. Jacob shares the journey from an MIT startup to being trusted by pro teams, collegiate programs, and the military, and how the recent Catapult acquisition of Perch is creating a seamless ecosystem that connects weight-room data with on-field performance metrics. What you’ll learn in this episode How camera-based velocity-based training (VBT) is revolutionising athlete monitoring. Why closing the feedback loop in the weight room is a game-changer for S&C coaches and sports scientists. Real-world insights: how LSU Football leveraged Perch to fuel a national championship season. What the Catapult–Perch integration means for the future of athlete data and performance analytics. The challenges and lessons of building a hardware-software platform for elite sport. About Jacob Rothman Jacob Rothman co-founded Perch at MIT after a back injury inspired him to find a safer, smarter way for athletes to train. Since 2017, Perch has become a trusted solution for pro teams, collegiate programs, and elite training facilities, capturing over 500 million reps in the weight room. In June 2025, Catapult acquired Perch to bring non-invasive, AI-powered strength analytics into its global athlete performance ecosystem. Today, Jacob leads Strength at Catapult, driving innovation in integrated performance and health solutions. SIGN UP NOW: https://bit.ly/SFSepisode241 ​ Learn Quicker & More Effectively ​ Optimise Your Athletes' Recovery ​ Position Yourself As An Expert To Your Athletes And Naturally Improve Buy-In ​ Reduce Your Athletes' Injury Ratese ​ Save 100's Of Dollars A Year That Would Otherwise Be Spent On Books, Courses And More ​ Improve Your Athletes' Performance ​ Advance Forward In Your Career, Allowing You To Earn More Money And Work With Elite-Level Athletes ​ Save Yourself The Stress & Worry Of Constantly Trying To Stay Up-To-Date With Sports Science Research

This week on the Science for Sport Podcast, host Richard Graves sits down with former NFL star turned MMA promoter Shawne “Lights Out” Merriman, a man who’s gone from sacking quarterbacks to shaking up the fight game. Known for his explosive NFL career with the San Diego Chargers and Buffalo Bills, Merriman has successfully transitioned into the world of Mixed Martial Arts with his promotion Lights Out Extreme Fighting (LXF). In this episode, he reveals how his football mindset, business vision, and passion for innovation are transforming combat sports, from cutting-edge punch-tracking tech to game-changing virtual advertising platforms. You’ll discover how Merriman: Mastered career transition – leaving the NFL on his own terms while building the Lights Out brand. Applied sports science to the cage – from NFL hand-fighting skills to the cardio demands of MMA. Integrated performance technology – including live punch velocity and G-force tracking for fans and coaches. Created new revenue models – opening sponsorship opportunities for small and mid-sized businesses in combat sports. Bridges athlete pathways – helping NFL and college football players switch to MMA. Maintains athlete discipline year-round – the evolution of MMA training culture and its professionalisation. Whether you work in elite performance, teach sports science, or simply love hearing how science and innovation change sport, this conversation is packed with insights into performance tech, athlete development, and the business of sport. About Shawne Merriman Shawne “Lights Out” Merriman is a former NFL linebacker, three-time Pro Bowl selection, and NFL Defensive Rookie of the Year. Drafted 12th overall by the San Diego Chargers in 2005, Merriman quickly became one of the league’s most feared pass rushers before retiring in 2013. Off the field, he built the Lights Out brand into a multi-platform sports and entertainment company, launching Lights Out Extreme Fighting in 2019. Today, LXF is one of the most watched regional MMA promotions in the world, with Merriman leading the charge in integrating sports science and technology into combat sports. FREE 7d SCIENCE FOR SPORT ACADEMY TRIAL SIGN UP NOW: https://bit.ly/SFSepisode241 ​ Learn Quicker & More Effectively ​ Optimise Your Athletes' Recovery ​ Position Yourself As An Expert To Your Athletes And Naturally Improve Buy-In ​ Reduce Your Athletes' Injury Ratese ​ Save 100's Of Dollars A Year That Would Otherwise Be Spent On Books, Courses And More ​ Improve Your Athletes' Performance ​ Advance Forward In Your Career, Allowing You To Earn More Money And Work With Elite-Level Athletes ​ Save Yourself The Stress & Worry Of Constantly Trying To Stay Up-To-Date With Sports Science Research