MassMutual will be the first sponsor to have its logo on Red Sox

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

MassMutual logo patches

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

Marlins, ADT announce jersey patch sponsorship - Fish Stripes

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

Is the Yankees vs. Red Sox doubleheader on TV today? (9/14/23) FREE live stream, time, TV, channel for Game 1 on Prime

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

Red Sox Winter Weekend

Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News