MassMutual is first jersey patch sponsor of the Red Sox

Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports

jerseys – Blogging the Red Sox

Red Sox to sport MassMutual logo under new partnership - Boston Business Journal

2) 2023 Boston Red Sox MassMutual Advertising Jersey Patch

MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe

Boston Red Sox and Springfield-based life insurer, MassMutual partner up

Twins making careful decision about ad patches on players' jerseys

MLB's announced jersey patch deals so far-San Diego Padres: Motorola. Boston Red Sox: MassMutual. Los Angeles Angels: Foundation Building Materials. Arizona Diamondbacks: Avnet : r/baseball

Marlins, ADT announce jersey patch sponsorship - Fish Stripes

MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal

Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports

MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster

MassMutual is first jersey patch sponsor of the Red Sox