The Boston Red Sox announced a major off-the-field partnership with MassMutual – Boston 25 News
Another uneven night for Tanner Houck and the bullpen costs Red
MassMutual lands deal for patch on Red Sox uniforms; Springfield
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
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The Boston Red Sox announced a major off-the-field partnership
SBJ Closing Bell: Red Sox officially sign MassMutual as patch sponsor
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Red Sox to sport MassMutual logo under new partnership - Boston
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SBJ Closing Bell: Red Sox officially sign MassMutual as patch sponsor
Boston Red Sox Boston 25 Sports – Boston 25 News
Sox say so long to John Hancock. But hello maybe to MassMutual