Guests Brian Callahan, Jim Harbaugh, Antonio Pierce, and Nick Sirianni talk about various unsolved mysteries in the NFL postseason. They discuss the Titans' hiring of Brian Callahan, Jim Harbaugh potentially becoming the Chargers' head coach, Antonio Pierce joining the Raiders, and Nick Sirianni staying with the Eagles. They also explore mysteries surrounding Bill Belichick and the Falcons, the Lions defense, and offseason moves by the Buccaneers and Dolphins.