MassMutual, Red Sox announce multiyear partnership
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. /
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade
Jersey patch ads could be coming for Yankees, Mets in the near future
It's come to this: our Red Sox as human billboards
MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
The Boston Red Sox announced a major off-the-field partnership with MassMutual – Boston 25 News
3,551 Shirt Sponsor Stock Photos, High-Res Pictures, and Images - Getty Images
Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox
St. Louis Cardinals land Stifel as first jersey patch sponsor
Logos and uniforms of the Boston Red Sox - Wikipedia
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)