MassMutual is first jersey patch sponsor of the Red Sox

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

Check Out New Photos Of Red Sox Partnership Jersey Patch

Yankees Jersey Patch Deal Is MLB's Richest at $25M a Year –

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

MLB Fans Are Crushing The Braves Over Their Hideous Uniform Sponsor Patches

Yankees won't have jersey patch for Opening Day, but it's coming

MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph

MLB's announced jersey patch deals so far-San Diego Padres: Motorola. Boston Red Sox: MassMutual. Los Angeles Angels: Foundation Building Materials. Arizona Diamondbacks: Avnet : r/baseball

Logos and uniforms of the Boston Red Sox - Wikipedia