J.D. Martinez opts into final year of deal with Red Sox, per
Elliott: Clapp helped slugger JD Martinez in the early years
Here's a list of every former Red Sox player in the Division Series
JD Martinez's slump indicates he made a mistake not opting out of
From pregame coffee to in-game video, J.D. Martinez's routine is
The Recorder - Boston's Martinez would like to see some video remain
J. D. Martinez - Wikipedia
Martinez hits 2 home runs as NL West champion Dodgers roll past
J.D. Martinez returns from back spasms
J.D. Martinez, Boston Red Sox DH: 'Chip on my shoulder' is back
Red Sox' J.D. Martinez added to the American League All-Star team
MLB Rumors: Red Sox' Jose Abreu offer didn't come close to Astros
Players Blast MLB Commissioner for Handling of Astros' Cheating
J.D. Martinez Calls Astros Criticism 'A Little Bit Too Much' Amid Red
Red Sox rumors: J.D. Martinez took less money to reunite with