MassMutual is first jersey patch sponsor of the Red Sox
Logos and uniforms of the Boston Red Sox - Wikipedia
Red Sox to sport MassMutual logo under new partnership - Boston
Red Sox unveil new club logos and uniforms
Red Sox reveal first-ever uniform advertisements; MassMutual
Red Sox Unveil City Connect Uniforms To Be Worn Patriots' Day
Minnesota Twins Unveil New Uniforms, Including New Hat Logo
Logos and uniforms of the Boston Red Sox - Wikipedia
Red Sox Unveil First City Connect Uniform With MLB's Nike
Boston Red Sox Alternate Logo
Logos and uniforms of the Boston Red Sox - Wikipedia
Major League Baseball releases Padres City Connect jersey
Twins unveil new uniforms, logo - InForum
Red Sox Unveil Nike MLB City Connect Series Uniforms For Patriots Day
York Revolution unveil new logos, uniforms - Ballpark Digest