MassMutual is first jersey patch sponsor of the Red Sox
OTM Open Thread 12/5: It is Monday - Over the Monster
Jersey patch ads could be coming for Yankees, Mets in the near future
Red Sox reportedly sign jersey patch deal with MassMutual
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Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
John Hancock ending long-held Boston Red Sox sponsorship
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
The Boston Red Sox announced a major off-the-field partnership with MassMutual – Boston 25 News
Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times
Why MassMutual invested in a jersey sponsorship with the Red Sox
Boston Red Sox sign BetMGM as first betting sponsor
The Future Of Jersey Sponsorships Across US Sports Leagues
Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports
Red Sox Mass Mutual Collaboration – NBC Boston