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

Devers, Turner lead Boston's HR derby; Red Sox top Cubs 8-3 for 6th straight win - The San Diego Union-Tribune

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

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

MassMutual, Red Sox announce multiyear partnership

MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster

Devers breaks tie in 6-run 8th, Red Sox beat Reds 8-2 to avoid sweep

MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)

Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports

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. /

Take us out to the ballgame - BOStoday

Logos and uniforms of the Boston Red Sox - Wikipedia

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

MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster

Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports