Stephen Christopher Trachsel (born October 31, 1970) is an American former Major League Baseball pitcher with the Chicago Cubs, Tampa Bay Devil Rays, Toronto Blue Jays, New York Mets and the Baltimore Orioles between 1993 and 2008.

[3] In 1991, Trachsel began his professional career with the short-season Geneva Cubs and the Class-A Advanced Winston-Salem Spirits.

[6] His first shutout was a one-hit game against the Houston Astros on May 14 where he surrendered the only hit on a lead-off double to Brian Hunter.

[10] Additionally, Trachsel was the starting and winning pitcher in the Cubs' 5–3 Wild Card tie-breaker game victory over the San Francisco Giants, giving up just one hit through six-plus innings.

On January 14, 2000, Trachsel signed a one-year, $1 million contract with the Tampa Bay Devil Rays.

[6] On July 31, 2000, Trachsel was traded to the Toronto Blue Jays along with pitcher Mark Guthrie in exchange for minor league second baseman Brent Abernathy and a player to be named later.

[15] He got off to a poor start in 2001 (including becoming the only pitcher in Mets history to allow four home runs in one inning), and he was sent to the minor leagues on May 19.

[6] After entering free agency again following the 2002 season, Trachsel re-signed with the Mets on a two-year, $8 million contract on December 7, 2002.

[18] Trachsel was even named the National League Player of the Week on August 25, 2003, following a 16.1 inning span in which he allowed no walks, no runs and only six hits.

[6] In 2006, Trachsel recovered to start 30 games and tied Tom Glavine for the team lead with 15 wins, despite posting an ERA of 4.97.

[6] On September 18, 2006, he had one of his best performances of the season as the Mets clinched the National League Eastern Division Championship.

[24] On August 31, 2007, Trachsel rejoined the Chicago Cubs by being traded for minor league players Rocky Cherry and Scott Moore.