After becoming a big league regular in 2014 and an All-Star and Silver Slugger last year, J.D. Martinez sees the mental side of the game as his next step at Tigers camp.
Rhino Rant
Baseball News Updated Daily!
After becoming a big league regular in 2014 and an All-Star and Silver Slugger last year, J.D. Martinez sees the mental side of the game as his next step at Tigers camp.