Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
MLB Opening Day: Jersey Patches - Foul Or Fair Game?
Yankees Jersey Patch Deal Is MLB's Richest at $25M a Year –
Red Sox Sign Japanese Batting Champ Yoshida - Rafu Shimpo
MLB Team Sponsorship Revenue Grew To $1.5 Billion In 2023, Report Shows
Chris Sale returns from injury, leads Red Sox over Tigers
Logos and uniforms of the Boston Red Sox - Wikipedia
MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
Take us out to the ballgame - BOStoday
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade