MassMutual will be the first sponsor to have its logo on Red Sox
MassMutual, Red Sox announce multiyear partnership
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
Red Sox All-Star Break Awards. Plus, Jaylen's Place Among No. 2 Options. - The Ringer
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MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
MassMutual is first jersey patch sponsor of the Red Sox
Boston Red Sox and Springfield-based life insurer, MassMutual partner up
Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports
It's come to this: our Red Sox as human billboards
Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
MassMutual, Red Sox announce multiyear partnership
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
MassMutual is first jersey patch sponsor of the Red Sox
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal