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Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
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Boston Red Sox top prospect Marcelo Mayer belts first professional homer, drives in four runs in FCL game
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Red Sox play ball with a new signature sponsor - BOStoday
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Red Sox reach $170 million jersey-patch deal, Mets also interested
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Rt 011516 by The Island 360 - Issuu
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The Boston Red Sox announced a major off-the-field partnership with MassMutual – Boston 25 News
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Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
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Houston Astros reveal Oxy as first ever jersey partner - SportsPro
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Proud Partner of the Boston Red Sox
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Houston Astros reveal Oxy as first ever jersey partner - SportsPro
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Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
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Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
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Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
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MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)