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Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
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Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
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Houston Astros reveal Oxy as first ever jersey partner - SportsPro
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MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
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Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
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Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
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Proud Partner of the Boston Red Sox
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20160115 xbs wit by The Island 360 - Issuu
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Red Sox to sport MassMutual logo under new partnership - Boston Business Journal