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

Red Sox News & Links: More Injury Updates - Over the Monster

Red Sox Mass Mutual Collaboration – NBC Boston

MassMutual, Red Sox announce multiyear partnership

Take us out to the ballgame - BOStoday

Red Sox-Yankees: Sweep bodes well for future, what about now?

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

Red Sox Sign Japanese Batting Champ Yoshida - Rafu Shimpo

NESN on Twitter: I was like, something finally going our way, I guess. Alex Cora on a fly ball landing in the Green Monster light and taking a run off the board

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

Red Sox Monday Morning Brushback: The Changing of Seasons - Over the Monster