MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe

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

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

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

It's come to this: our Red Sox as human billboards

Logos and uniforms of the Boston Red Sox - Wikipedia

Final Red Sox homestand of the year is one of lasts – Boston 25 News

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

Boston Red Sox's Narciso Crook talks growing up in Trenton, his favorite local eateries, and the secrets of his success – Trenton Journal

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

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