Red Sox finalize J.D. Martinez contract
The Red Sox Add a Slugger of Their Own, Signing J.D. Martinez - The New York Times
J.D. Martinez agrees to one-year, $10-million deal with Dodgers
JD Martinez does not opt-out of contract, will remain with Red Sox in 2022, per report
The Red Sox can keep J.D. Martinez and Mookie Betts. Will they?
Red Sox Notebook: Kiké Hernández, Red Sox agree to $10M deal for 2023; more
Red Sox slugger J.D. Martinez undecided on exercising opt-out clause in contract after 2021 season
J.D. Martinez declines to exercise opt-out clause, returns to Boston Red Sox for 2022 MLB season - ESPN
After foot injury held things up, JD Martinez finally introduced by Red Sox – NBC Sports Boston