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Red Sox reportedly sign jersey patch deal with MassMutual
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Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox
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Red Sox play ball with a new signature sponsor - BOStoday
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Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
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Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
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Boston Red Sox and Springfield-based life insurer, MassMutual partner up
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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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MLB Jersey Patch Market Warming Up As Season Approaches
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MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster