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

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

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

MassMutual, Red Sox announce multiyear partnership

Tom Caron: Time is running out for Red Sox to make playoff push

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

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

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

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

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

Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox

Cardinals beat Red Sox 4-3 as Kenley Jansen blows 9th inning lead for 2nd straight day

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

A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options