SBJ Closing Bell: Red Sox officially sign MassMutual as patch sponsor
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
Red Sox Announce Jersey Sponsorship, Patch With Mass Mutual
MassMutual, Red Sox announce multiyear partnership
Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox
Hc 011516 by The Island 360 - Issuu
SBJ Closing Bell: Red Sox officially sign MassMutual as patch sponsor
Red Sox reach $170 million jersey-patch deal, Mets also interested
20160115 xbs wit by The Island 360 - Issuu
Red Sox play ball with a new signature sponsor - BOStoday