MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times
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Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox
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Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
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Logos and uniforms of the Boston Red Sox - Wikipedia
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
John Hancock ending long-held Boston Red Sox sponsorship
Red Sox reportedly sign jersey patch deal with MassMutual
Ex-Yankees pitchers destined to miss Red Sox Opening Day
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options
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Red Sox will not be affected by MLB's new uniform rules in 2023