MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
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Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
2) 2023 Boston Red Sox MassMutual Advertising Jersey Patch
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Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
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