John Hancock ending long-held Boston Red Sox sponsorship
Twins making careful decision about ad patches on players' jerseys
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
Red Sox will have MassMutual logo on their jerseys beginning in 2023 – Blogging the Red Sox
Red Sox reach $170 million jersey-patch deal, Mets also interested
MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
MassMutual is first jersey patch sponsor of the Red Sox
Ken Madsen on LinkedIn: Great spending the day at the “New Balance” headquarters in Boston…