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MLB on X: MLB clubs will wear jersey patches throughout 2019 in celebration of the 150th anniversary of the first openly all-salaried professional baseball team (1869 @Reds). #MLB150 / X
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Major League Baseball and its teams celebrate 100th anniversary of Negro League Baseball, Baseball
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2019 Topps 150 Years of Baseball Checklist, Set Info, Print Runs
![MLB patch to mark 150 years of pro baseball](https://www.sportsbusinessjournal.com/-/media/Images/Daily/2019/02/11/MLB.ashx)
MLB Celebrating 150th Anniversary With Patches, Media Content
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Rangers vs. Rays Prediction, MLB Picks & Odds: AL Wild Card Game Today - FanNation
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MLB debut patches released