MassMutual is first jersey patch sponsor of the Red Sox

3,551 Shirt Sponsor Stock Photos, High-Res Pictures, and Images - Getty Images

Phillies may have sponsored uniform patch this season

Red Sox to sport MassMutual logo under new partnership - Boston Business Journal

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

Kiké Hernandez isn't a fan of the Red Sox's new ad patch

Boston Red Sox mascots Wally and Tessie display the patch during a News Photo - Getty Images

OTM Open Thread 12/5: It is Monday - Over the Monster

Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times

Red Sox reportedly sign jersey patch deal with MassMutual

MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald

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. /