MassMutual is first jersey patch sponsor of the Red Sox

MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal

MassMutual, Red Sox announce multiyear partnership

Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox

Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit

2) 2023 Boston Red Sox MassMutual Advertising Jersey Patch

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

Reds get $5M per year from Kroger for uniform patch - Redleg Nation

Chris Cotillo on X: MassMutual is the new “signature partner” of the Red Sox. They get a jersey patch and the sign that replaces the John Hancock sign in center field. /

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

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

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

Red Sox reach $170 million jersey-patch deal, Mets also interested

Red Sox play ball with a new signature sponsor - BOStoday