J.D. Martinez has defied low expectations to become important Tigers slugger - Vintage Detroit Collection
J.D. Martinez Contract Includes Medical Protection For Red Sox, Third Opt-Out For Martinez - MLB Trade Rumors
Baseball Reference on Twitter: "J.D. Martinez is the first Red Sox player since Jack Clark in 1991 to have a game with three HRs and multiple SOs https://t.co/uTiAPMea3l https://t.co/W6rURE9zgF" / Twitter
MLB Top 100 Players 2019: Ranking Harper, Machado, more - Sports Illustrated
The Greedy Pinstripes: JD Martinez vs. the Yankees Pitching