Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Batter Up, Brands: MLB Jersey Patch Deals are Changing the Game for Sponsors - SponsorUnited
The story behind the rare 'Boston' jerseys the Red Sox wear on Patriots Day - The Athletic
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Red Sox Bring Red Back to Road Jersey for 2014 – SportsLogos.Net News
Arbor Growth: Major League Baseball's uniforms are the latest ad network., Theron Tingstad posted on the topic
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
Red Sox reveal 2023 uniform change
1,523 Red Sox Jersey Stock Photos, High-Res Pictures, and Images - Getty Images
Red Sox unveil uniforms to honor the Boston Marathon
Cleveland Guardians to wear Marathon jersey patch
Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox
Yankees Jersey Patch Deal Is MLB's Richest at $25M a Year –