Mark Joseph Petkovsek (born November 18, 1965 in Beaumont, Texas) was a Pitcher for the Texas Rangers (1991 and 2001), Pittsburgh Pirates (1993), St. Louis Cardinals (1995-98) and Anaheim Angels (1999-2000).
He attended the University of Texas, where he threw a seven-inning no-hitter in March of .
Petkovsek was a first-round pick of the Rangers later that year, and in 1991, he made his major-league debut with the club, pitching 4-2/3 and taking the loss against the New York Yankees.
After Petkovsek appeared in 23 games for Pittsburgh in '93, the Pirates let Petkovsek walk, and the righthander signed with the Astros for . They assigned him to AAA Tucson out of Spring Training, and he spent the entire year there. On May 16, 1994, Petkovsek threw the first nine-inning no-hitter in Tucson franchise history, beating the Colorado Springs Sky Sox 5 - 0 in his only complete game of the year. For his effort, Petkovsek was named PCL Pitcher of the Week.
As had the Rangers and Pirates before them, the Astros granted Petkovsek his free agency after the 1994 season, and he found a home in the Cardinals organization, pitching at both AAA Louisville and for the major league Redbirds in . His 21 major league starts that year were a career high.
He helped the Cardinals win the National League Central Division, winning 11 times against only two defeats as a swingman. The 11 wins he had for St. Louis were a career high, regardless of professional level.
In 9 years he had a 46-28 Win-Loss record, 390 Games, 41 Games Started, 1 Complete Game, 1 Shutout, 101 Games Finished, 5 Saves, 710 Innings Pitched, 797 Hits Allowed, 410 Runs Allowed, 373 Earned Runs Allowed, 82 Home Runs Allowed, 222 Walks, 358 Strikeouts, 35 Hit Batsmen, 22 Wild Pitches, 3,086 Batters Faced, 26 Intentional Walks, 4 Balks and a 4.73 ERA.