MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
Red Sox play ball with a new signature sponsor - BOStoday
MLB Opening Day: Jersey Patches - Foul Or Fair Game?
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade
Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times
Phillies may have sponsored uniform patch this season
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade