MLB offseason: Red Sox head into winter of roster tweaking after J.D. Martinez makes crucial contract decision
Red Sox bring back Cora, rehiring manager from 2018 title – KXAN Austin
Red Sox DH J.D. Martinez opts in for 2021 season
J.D. Martinez says he's 'probably not' opting out of his contract
Boston Red Sox: A case for J.D. Martinez to opt-in to his contract
Ranking the top 30 potential MLB free agents: Ohtani the big prize, Bellinger's value surging - The Athletic
Chaim Bloom says re-signing Xander Bogaerts is Red Sox top priority this offseason - CBS Boston
J.D. Martinez on Leaving Red Sox for Dodgers: Wanted to Be on Team Playing in October, News, Scores, Highlights, Stats, and Rumors
J.D. Martinez believes pressure from trade deadline hurt the Red Sox
Pedro Martinez issues warning to Red Sox
Bowden: Red Sox must change course, make major signings, trades this offseason - The Athletic
J.D. Martinez not opting out of contract with Red Sox - The Boston Globe
Red Sox slugger J.D. Martinez can breathe a sigh of relief as trade deadline passes without a deal - The Boston Globe