FIRST LOOK: sponsor patches on 2023 MLB jerseys
MLB's announced jersey patch deals so far-San Diego Padres
Ken Madsen on LinkedIn: Great spending the day at the “New Balance
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Red Sox accidentally picked Yankees fan to sponsor jerseys for
Red Sox reportedly sign jersey patch deal with MassMutual
Red Sox, MassMutual near a $17M jersey patch deal - Boston
Red Sox reportedly sign jersey patch deal with MassMutual
Red Sox to sport MassMutual logo under new partnership - Boston
L.A. Angels have new MLB jersey patch sponsorship
Why more US leagues are embracing sponsored jersey patches