Red Sox MassMutual (navy version). The Red Sox have two versions of this patch. The other version is a navy patch with white lettering. The Red Sox
MLB's announced jersey patch deals so far-San Diego Padres: Motorola. Boston Red Sox: MassMutual. Los Angeles Angels: Foundation Building Materials. Arizona Diamondbacks: Avnet : r/baseball
Phillies may have sponsored uniform patch this season
Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
Red Sox MassMutual (navy version). The Red Sox have two versions of this patch. The other version is a navy patch with white lettering. The Red Sox
2023 Boston Red Sox MassMutual Advertising Jersey Patch - White
Red Sox uniforms will be unaffected by new MLB rules in 2023
MLB Jersey Ads: The Future of Baseball Sponsorship?
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
Twins making careful decision about ad patches on players' jerseys
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
Red Sox Mass Mutual Collaboration – NBC Boston
MLB is allowing teams to put advertising patches on their jerseys star
Logos and uniforms of the Boston Red Sox - Wikipedia
Red Sox notebook: Casas ruffled feathers with pregame routine, learned valuable lesson in process
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal