MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox
Cleveland Guardians Announce Jersey Sponsorship - Sports Illustrated Cleveland Guardians News, Analysis and More
MassMutual logo patches
Red Sox Sign Japanese Batting Champ Yoshida - Rafu Shimpo
Legendary MLB teams break marketing ground with insurance sponsors - Insurance News
MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
It's come to this: our Red Sox as human billboards
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, Red Sox announce multiyear partnership