For the first time, historic Boston Red Sox jersey will have a sponsor patch
Red Sox reach $170 million jersey-patch deal, Mets also interested
Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
It's come to this: our Red Sox as human billboards
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
MassMutual, Red Sox announce multiyear partnership
Proud Partner of the Boston Red Sox
Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
Boston Red Sox land a 10-year partnership with MassMutual
Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)