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

Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal

Take us out to the ballgame - BOStoday

Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times

Brewers sign former Red Sox outfielder Raimel Tapia

MLB Team Sponsorship Revenue Grew To $1.5 Billion In 2023, Report Shows

A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options

Red Sox, MassMutual Partner Up

Logos and uniforms of the Boston Red Sox - Wikipedia

Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023

Devers, Turner lead Boston's HR derby; Red Sox top Cubs 8-3 for 6th straight win - The San Diego Union-Tribune

Fenway Sports Management