Red Sox MassMutual (2 versions). This is an advertising patch. The Red Sox have two versions of this patch. One is navy with white writing and the
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Detroit Tigers to Sport Meijer Ads on Sleeves as Part of Expanded
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MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
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Boston Red Sox Announce MassMutual Patch on Jerseys Starting in
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Red Sox to sport MassMutual logo under new partnership - Boston
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Boston Red Sox make history with record $170 million ad-patch deal
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Milwaukee Brewers Add Northwestern Mutual Logo to Jersey
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jerseys – Blogging the Red Sox
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The Uni Watch 2023 MLB Season Preview - by Paul Lukas
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MassMutual will be the first sponsor to have its logo on Red Sox
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MassMutual will be advertising on the Red Sox jersey in 2023
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BLUE Mass Mutal Sublimation Patch Boston Red Sox baseball jersey
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Women's locker room, new lighting, pitch clocks: Red Sox announce
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MLB's new uniform rules won't prevent Red Sox from keeping Boston
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jerseys – Blogging the Red Sox
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Boston Red Sox Announce MassMutual Patch on Jerseys Starting in