MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
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 –
MLB Sponsor Revenue Hits $1.2B as Jersey Patch Boom Awaits –
Red Sox Reportedly Strike $170M Jersey Patch Deal
Red Sox play ball with a new signature sponsor - BOStoday
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
Red Sox will have MassMutual logo on their jerseys beginning in 2023
Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)