Trachsel was named to the Major League Baseball All-Star Game and posted a career-best 3.03 ERA in . He also finished the season with a record of 13-9 with two shutouts, three complete games and 132 strikeouts in 32 games, all starts. 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. He also pitched two games with the Double-A Orlando Cubs where he went 0-1 with a 2.77 ERA.