MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
Red Sox kicks off plan to bring all BPS 6th graders to Fenway Park
MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
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Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times
jerseys – Blogging the Red Sox
Boston Red Sox mascots Wally and Tessie display the patch during a News Photo - Getty Images
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Chris Cotillo on X: MassMutual is the new “signature partner” of the Red Sox. They get a jersey patch and the sign that replaces the John Hancock sign in center field. /
Yankees Jersey Patch Deal Is MLB's Richest at $25M a Year –
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