Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports

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

Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe

MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster

Fenway Park Changes, Improvements for 2023 – NBC Boston

Red Sox News Boston Red Sox

Yankees Announce Starr Insurance Jersey Patch, Partnership in Video, News, Scores, Highlights, Stats, and Rumors

MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)

Red Sox Mailbag: Will Chaim Bloom buy or sell at the trade deadline?

Brayan Bello impressive again in Red Sox's loss

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