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2019 – Major League Baseball Clubs will wear an MLB 150 patch on the right sleeve of their jerseys for the entire season in celebration of the 150th anniversary of the first openly all-salaried professional baseball team — the 1869 Cincinnati Red Stockings. All MLB Clubs will feature an MLB 150 patch on caps on Opening Day, March 28.
This recognition reflects previous MLB tributes that featured special patches worn all season by clubs in 1969 (100th anniversary) and 1994 (125th anniversary). This will be the first time an MLB league-wide anniversary recognition will be featured on caps.
Throughout the season, MLB will create original content to pay tribute to its history while connecting it to the players and game today. The season-long recognition will extend across MLB media including MLB Network, MLB.com and MLB Social Media platforms.