J.D. Martinez, Boston Red Sox slugger weighing opt-out decision

The adjustment Red Sox DH JD Martinez made that unlocked his power

Back at the All-Star Game, Red Sox slugger J.D. Martinez says he's fulfilling his contract to the end - The Boston Globe

Decision Day Coming For J.D. Martinez - CBS Boston

Boston Red Sox slugger J.D. Martinez declining to opt out of contract

Red Sox year in review: A month-by-month breakdown of a surprising near-miss season - The Athletic

5 things to know about new Red Sox slugger J.D. Martinez

Analyzing Boston's First Base Decision - MLB Trade Rumors

Boston Red Sox' J.D. Martinez on catching bull shark: 'He was strong. He kicked my butt'

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

How J.D. Martinez went from struggling Astro to fierce Tiger

MLB trade deadline: Red Sox' J.D. Martinez reportedly receiving interest from Dodgers, Mets

Red Sox Slugger J.D. Martinez Makes Post-Trade Deadline Admission

J.D. Martinez 'right in the middle' about opt-out decision

Boston Red Sox slugger J.D. Martinez 'absolutely' open to long-term extension with team