J.D. Martinez has been one of baseball's premier hitters over the last several years. He's been so good for so long that it's easy to forget that he was once released by the Astros. Martinez' first few years with Houston were pretty lackluster, so they cut him in March 2014. The Tigers picked him up and he went on to become a perennial All-Star, Silver Slugger, and World Series champion. How did Martinez flip the switch? All this (and more) on today's episode.