MassMutual is first jersey patch sponsor of the Red Sox
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
L.A. Angels have new MLB jersey patch sponsorship
Logos and uniforms of the Boston Red Sox - Wikipedia
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Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
MassMutual is first jersey patch sponsor of the Red Sox
Phillies may have sponsored uniform patch this season
Red Sox Mass Mutual Collaboration – NBC Boston
