Report: MLB to allow jersey patch sponsors - SportsPro

NFL: jersey patches could make up to US$673 million in revenue., On Social Sports posted on the topic

MLB News: After 120 years there will finally be advertising on Major League jerseys

MLB patch to mark 150 years of pro baseball

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

Here are a few more details about the uniform patches coming soon - Bleed Cubbie Blue

MLB Officially Allowing Ads on Uniforms in 2023 - Sports Illustrated

Buy your Red Sox jersey now before sponsor logo gets added to it next season

MLB Moving Ahead With Uniform Advertisements for 2023 Season – NBC Connecticut

SponsorUnited - Unrivaled Sponsorship Data

What MLB teams will have uniform ad patches in 2023?

PDF) Looking at shirt sponsorships from both sides of the pond: comparing global trends versus America's Major League Soccer

News & Insights – Turnstile

The NFL's US$673m question: Will the league introduce jersey patch sponsors? - SportsPro

MLB Officially Allowing Ads on Uniforms in 2023 - Sports Illustrated