Boston Red Sox bag US$170m MassMutual jersey patch deal, says
The Boston Red Sox announced a major off-the-field partnership
sam kennedy – Blogging the Red Sox
Why are the Angels wearing jersey patches with 'FBM' on them
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Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
MassMutual, Red Sox announce multiyear partnership
MassMutual, Red Sox announce multiyear partnership