Red Sox, MassMutual Partner Up
Logos and uniforms of the Boston Red Sox - Wikipedia
Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox
Official Charity of the Boston Red Sox Red Sox Foundation - Red Sox Foundation
Phillies may have sponsored uniform patch this season
Devers, Turner lead Boston's HR derby; Red Sox top Cubs 8-3 for 6th straight win - The San Diego Union-Tribune
Take us out to the ballgame - BOStoday
Legendary MLB teams break marketing ground with insurance sponsors - Insurance News
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade
Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox