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Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
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MLB Jerseys' to Feature Corporate Sponsor Logos for First Time
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FIRST LOOK: sponsor patches on 2023 MLB jerseys
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Why are the Angels wearing jersey patches with 'FBM' on them
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Boston Red Sox Announce MassMutual Patch on Jerseys Starting in
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MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph
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Red Sox to sport MassMutual logo under new partnership - Boston
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Red Sox will have MassMutual logo on their jerseys beginning in
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Twins making careful decision about ad patches on players' jerseys
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Red Sox debut new uniform advertisements as part of 10-year deal
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Atlanta Braves vs. Boston Red Sox (7/26/23): FREE live stream
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What MLB teams will have uniform ad patches in 2023?
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MassMutual, Red Sox announce multiyear partnership