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

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

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

John Hancock ending long-held Boston Red Sox sponsorship

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

Red Sox reportedly sign jersey patch deal with MassMutual

Another uneven night for Tanner Houck and the bullpen costs Red Sox against the Rangers - The Boston Globe

Red Sox vs. Royals: Odds, spread, over/under - August 7

Relentless' Red Sox rookie goes 6-for-12 with HR in 'amazing' 3 games

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