Jimmy Wayne Haynes (born September 5, 1972) is an American former professional baseball right-handed pitcher. Haynes was selected by the Baltimore Orioles in the 7th round of the 1991 Major League Baseball Draft. He made his Major League Baseball (MLB) debut in the 1995 season and was later sent to the Oakland Athletics. In his major league career, Haynes had a win–loss record of 63-89, with 762 strikeouts and an earned run average (ERA) of 5.37, which is the worst ERA of all time among pitchers who have pitched at least 1000 innings.