MassMutual is first jersey patch sponsor of the Red Sox

Yankees Announce Starr Insurance Jersey Patch, Partnership in Video, News, Scores, Highlights, Stats, and Rumors

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Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe

Red Sox to sport MassMutual logo under new partnership - Boston Business Journal

Red Sox Reportedly Strike $170M Jersey Patch Deal

Miami Marlins Sign Jersey Patch Deal With ADT Worth Estimated $5M/Year –

Why MassMutual invested in a jersey sponsorship with the Red Sox

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

Red Sox will have MassMutual logo on their jerseys beginning in 2023 – Blogging the Red Sox

I'm glad the Phillies didn't put sponsors on their jerseys. It looks so cheap. : r/phillies

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