Jack Burns McDowell (born January 16, 1966 in Van Nuys, California) is a former Major League Baseball player. A right-handed pitcher, Jack won the American League Cy Young Award in 1993. He was nicknamed "Black Jack".
He is now a musician with a rock band called Stickfigure.
By the early 1990s, he had established himself as one of the most dependable pitchers in the game, pitching effectively and recording over 250 innings each season from 1991 to 1993. Jack won 20 games in 1992 and 22 the next year, when he won the American League Cy Young Award and led the White Sox to the postseason (they lost in the American League Championship Series to the Toronto Blue Jays). From 1988 until 1995, his season ERA was consistently between 3.00 and 4.00, well below the league average.
- All-Star (1991, 1992, 1993)
- American League Cy Young Award winner (1993)
- Finished 2nd in American League Cy Young Award voting (1992)
- Finished 9th in American League Cy Young Award voting (1991)
- Finished 9th in American League MVP voting (1993)
- Chicago White Sox (1987-1994)
- New York Yankees (1995)
- Cleveland Indians (1996-1997)
- Anaheim Angels (1998-1999)