John A. Greenig (c. 1848 – July 28, 1913) was an American professional baseball player who played

pitcher In baseball, the pitcher is the player who throws ("pitches") the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw ...

in the Major Leagues for the

Washington Nationals The Washington Nationals are an American professional baseball team based in Washington, D.C.. They compete in Major League Baseball (MLB) as a member of the National League (NL) East division. From 2005 to 2007, the team played in RFK Stadiu ...

of the

National League The National League of Professional Baseball Clubs, known simply as the National League (NL), is the older of two leagues constituting Major League Baseball (MLB) in the United States and Canada, and the world's oldest extant professional team s ...

on May 9, 1888.

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1840s births 1913 deaths Major League Baseball pitchers Washington Nationals (1886–1889) players 19th-century baseball players Oswego Starchboxes players Charleston Seagulls players Danbury Hatters players Galveston Giants players Baseball players from Philadelphia {{US-baseball-pitcher-1840s-stub