It's come to this: our Red Sox as human billboards
Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Boston Red Sox sign BetMGM as first betting sponsor
Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
Boston Red Sox Archives - SportsPro
Boston Red Sox Archives - SportsPro
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Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
The Boston Red Sox announced a major off-the-field partnership with MassMutual – Boston 25 News
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
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