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John Hancock ending long-held Boston Red Sox sponsorship
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Red Sox Mass Mutual Collaboration – NBC Boston
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Bad day for Alex Cora and Red Sox only gets worse with loss to Blue Jays
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Boston Red Sox sign BetMGM as first betting sponsor
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Boston Red Sox Leaders Showcase Fenway Park Improvements - Facilities Management Advisor
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Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
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MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
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Tanner Houck had 'conversations' with Red Sox about extension, open to deal
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MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
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Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
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Red Sox reportedly sign jersey patch deal with MassMutual
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Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
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Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
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Another uneven night for Tanner Houck and the bullpen costs Red Sox against the Rangers - The Boston Globe