Red Sox reportedly sign jersey patch deal with MassMutual
Red Sox: J.D. Martinez fails to impress scouts ahead of trade deadline
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
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MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
MassMutual is first jersey patch sponsor of the Red Sox
Cleveland Guardians - Wikiwand
Jersey patch ads could be coming for Yankees, Mets in the near future
Yankees get over $20 million a year for Starr Insurance patch
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal