Batter Up, Brands: MLB Jersey Patch Deals are Changing the Game

MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe

Press release: Cardinals announce Stifel as club's first jersey patch sponsor

MLB opening day has 14 clock violations, stolen base spike

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A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options

Phils, Braves Make Subtle Jersey Adjustments for 2016

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Major League Baseball - Wikipedia

What MLB teams will have uniform ad patches in 2023?

Is MLB All-Star Game is losing its audience and its luster?