MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe

MassMutual, Red Sox announce multiyear partnership

Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports

Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade

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Red Sox kicks off plan to bring all BPS 6th graders to Fenway Park

Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023

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Chris Sale returns from injury, leads Red Sox over Tigers

It's come to this: our Red Sox as human billboards

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Legendary MLB teams break marketing ground with insurance sponsors - Insurance News

Red Sox reach $170 million jersey-patch deal, Mets also interested

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