MassMutual is first jersey patch sponsor of the Red Sox
Ken Madsen on LinkedIn: Great spending the day at the “New Balance” headquarters in Boston…
Yankees Jersey Patch Deal Is MLB's Richest at $25M a Year –
jerseys – Blogging the Red Sox
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Red Sox reportedly sign jersey patch deal with MassMutual
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Red Sox reportedly sign jersey patch deal with MassMutual
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Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options