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. /
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Check Out New Photos Of Red Sox Partnership Jersey Patch
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
Red Sox reach $170 million jersey-patch deal, Mets also interested
MassMutual, Red Sox announce multiyear partnership
Red Sox reportedly sign jersey patch deal with MassMutual
Kiké Hernandez isn't a fan of the Red Sox's new ad patch
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
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Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph
Marlins, ADT announce jersey patch sponsorship - Fish Stripes
MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald
MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster