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Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
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Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
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Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
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MassMutual becomes 'signature sponsor' for Boston Red Sox
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Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
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Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
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Red Sox reach $170 million jersey-patch deal, Mets also interested
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The Sociology of Sports - An Introduction, PDF, Sociology
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For the first time, historic Boston Red Sox jersey will have a sponsor patch
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It's come to this: our Red Sox as human billboards
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MassMutual is first jersey patch sponsor of the Red Sox