MassMutual is first jersey patch sponsor of the Red Sox
Cleveland Guardians to wear Marathon jersey patch
Red Sox reach $170 million jersey-patch deal, Mets also interested
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The Boston Red Sox announced a major off-the-field partnership with MassMutual – Boston 25 News
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MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Boston Red Sox mascots Wally and Tessie display the patch during a News Photo - Getty Images
MassMutual is first jersey patch sponsor of the Red Sox
John Hancock ending long-held Boston Red Sox sponsorship
Red Sox will not be affected by MLB's new uniform rules in 2023
A rough patch: the Astros' new sponsorship deal with Oxy is doubly ugly, Houston Astros
