As Major League Baseball celebrates the 75th anniversary of Jackie Robinson breaking baseball's color barrier, Doug Glanville and Mariners play-by-play voice Dave Sims reflect on what Robinson's life and career have meant to them and how important Jackie Robinson Day is now and into the future. Dave has been a trailblazer in his own right, currently the only regular black television play-by-play voice in Major League Baseball.

Learn more about your ad choices. Visit megaphone.fm/adchoices