MassMutual is first jersey patch sponsor of the Red Sox

Yankees Announce Starr Insurance Jersey Patch, Partnership in Video, News, Scores, Highlights, Stats, and Rumors

Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023

A rough patch: the Astros' new sponsorship deal with Oxy is doubly ugly, Houston Astros

What MLB teams will have uniform ad patches in 2023?

Bruins reveal cybersecurity firm Rapid7 will be first sponsor of patch on game and practice jerseys - The Boston Globe

St. Louis Cardinals land Stifel as first jersey patch sponsor

Detroit Tigers to add Meijer patch on jerseys

Red Sox fans dismayed by their team's new sponsored jerseys

Crazy Quilt: Jersey Sponsorships Result in Patchwork of Deals - TicketManager

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

Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports

Red Sox play ball with a new signature sponsor - BOStoday