MLB patch to mark 150 years of pro baseball

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

Major League Baseball and its teams celebrate 100th anniversary of Negro League Baseball, Baseball

2019 Topps 150 Years of Baseball Checklist, Set Info, Print Runs

MLB Celebrating 150th Anniversary With Patches, Media Content

Rangers vs. Rays Prediction, MLB Picks & Odds: AL Wild Card Game Today - FanNation

MLB debut patches released