J.D. Martinez says he's 'probably not' opting out of his contract

Why Mookie Betts wasn't only reason J.D. Martinez signed with Dodgers - Los Angeles Times

Boston's J.D. Martinez won't opt-out of contract

Red Sox DH J.D. Martinez opts in for 2021 season

When J.D. Martinez heads 'back to the lab,' will he correct his swing flaws? - The Athletic

Red Sox say J.D. Martinez is motivated after down year in 2020

J.D. Martinez not opting out of contract with Red Sox - The Boston Globe

Red Sox DH J.D. Martinez wants to finish his career in Boston

Red Sox Rumors: J.D. Martinez Hasn't Discussed New Contract; Can Opt Out After '19, News, Scores, Highlights, Stats, and Rumors

Mastrodonato: J.D. Martinez needs a hot streak, for the Red Sox and for himself

J.D. Martinez Does Not Opt Out Of Contract With Red Sox - MLB Trade Rumors

Key deadlines approach for J.D. Martinez and Eduardo Rodriguez's futures in Boston

MLB trade rumors: J.D. Martinez is MLB's No. 1 trade candidate - Bless You Boys

J.D. Martinez not opting out of contract with Red Sox