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
Red Sox, MassMutual Partner Up
MassMutual is first jersey patch sponsor of the Red Sox
MLB's Detroit Tigers expand Meijer sponsorship with jersey patch deal
Marlins, ADT announce jersey patch sponsorship - Fish Stripes
Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade
Red Sox Mass Mutual Collaboration – NBC Boston
3,551 Shirt Sponsor Stock Photos, High-Res Pictures, and Images - Getty Images
Check Out New Photos Of Red Sox Partnership Jersey Patch
What MLB teams will have uniform ad patches in 2023?