J.D. Martinez declines to opt out of his contract with the Boston Red Sox - Over the Monster
If NL adds DH, enjoy your last look at J.D. Martinez in a Red Sox uniform – NBC Sports Boston
Red Sox slugger J.D. Martinez will not be opting out of final two years of contract – Blogging the Red Sox
Stephen Strasburg, J.D. Martinez, Aroldis Chapman opt out deadline
J.D. Martinez not opting out of rest of $110 million Red Sox deal
Red Sox GM's winter patience with J.D. Martinez is paying off big time – New York Daily News
J.D. Martinez' Red Sox future still uncertain as opt-out decision looms – Boston Herald
Tigers agree to 2-year contract extension with J.D. Martinez - Bless You Boys
Boston's J.D. Martinez Deal Gives Them Giancarlo Stanton-Like Power - The Ringer
Red Sox DH J.D. Martinez decides to remain in Boston
J.D. Martinez agrees to one-year, $10 million deal with Dodgers