MassMutual is first jersey patch sponsor of the Red Sox
Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times
St. Louis Cardinals land Stifel as first jersey patch sponsor
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The Boston Red Sox announced a major off-the-field partnership with MassMutual – Boston 25 News
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Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
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Red Sox reportedly sign jersey patch deal with MassMutual
Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Red Sox Mass Mutual Collaboration – NBC Boston
