MassMutual is first jersey patch sponsor of the Red Sox

Red Sox reveal 2023 uniform change

Boston Red Sox mascots Wally and Tessie display the patch during a News Photo - Getty Images

Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times

Red Sox, MassMutual Partner Up

MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal

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

MLB Sponsor Revenue Hits $1.2B as Jersey Patch Boom Awaits –

2) 2023 Boston Red Sox MassMutual Advertising Jersey Patch

What MLB teams will have uniform ad patches in 2023?

OTM Open Thread 12/5: It is Monday - Over the Monster

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