J.D. Martinez not opting out of contract with Red Sox - The Boston Globe
Red Sox DH J.D. Martinez opts in for 2021 season
J.D. Martinez declines to exercise opt-out clause, returns to Boston Red Sox for 2022 MLB season - ESPN
Boston Red Sox Lineup: J.D. Martinez is succeeding in a different way - Over the Monster
JD Martinez will not opt out of his contract with the Red Sox, per report - MLB Daily Dish
Will J.D. Martinez Opt Out Of His Final Year With Red Sox? - CBS Boston
Red Sox GM's winter patience with J.D. Martinez is paying off big time – New York Daily News
J.D. Martinez, Boston Red Sox DH, will not opt out of his contract as expected (report)
Tigers agree to 2-year contract extension with J.D. Martinez - Bless You Boys
J.D. Martinez leaning toward staying with Boston Red Sox, not opting out of contract: 'I need to talk to Scott (Boras)'