John Greenig
John A. Greenig was an American professional baseball player who played pitcher in the Major Leagues for the Washington [Nationals (1886–89)|Washington Nationals] of the National [League (baseball)|National League] on May 9, 1888.
John A. Greenig was an American professional baseball player who played pitcher in the Major Leagues for the Washington [Nationals (1886–89)|Washington Nationals] of the National [League (baseball)|National League] on May 9, 1888.