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Red Sox Mass Mutual Collaboration – NBC Boston
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Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
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MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
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Red Sox reportedly sign jersey patch deal with MassMutual
![MassMutual is first jersey patch sponsor of the Red Sox](https://www.sportsbusinessjournal.com/-/media/Images/Journal/2022/07/25/pg-06-Patches/pg-07-Patches-Side-MLB.ashx?mw=408)
A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options
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Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
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FIRST LOOK: sponsor patches on 2023 MLB jerseys
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St. Louis Cardinals land Stifel as first jersey patch sponsor
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MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)