MassMutual is first jersey patch sponsor of the Red Sox

MassMutual will be the first sponsor to have its logo on Red Sox

Check Out New Photos Of Red Sox Partnership Jersey Patch

John Hancock ending long-held Boston Red Sox sponsorship

Iconic Massachusetts Brands Unite: MassMutual Named Signature

Red Sox to sport MassMutual logo under new partnership - Boston

MassMutual, Red Sox announce multiyear partnership

Red Sox, MassMutual near a $17M jersey patch deal - Boston

Yankees Announce Starr Insurance Jersey Patch, Partnership in

MLB's Detroit Tigers expand Meijer sponsorship with jersey patch

Crazy Quilt: Jersey Sponsorships Result in Patchwork of Deals

Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of

Red Sox play ball with a new signature sponsor - BOStoday

Red Sox debut new uniform advertisements as part of 10-year deal

Red Sox accidentally picked Yankees fan to sponsor jerseys for

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