Clement had a sinking fastball in the low 90s and a hard slider he mixed with a four-seamer and a changeup. In nine seasons, Clement won 87 games and lost 86, and was 1–2 in post-season play, going 1–1 with the Cubs in 2003 and 0–1 with Boston in 2005. His win in Game 4 of the 2003 National League Championship Series at Florida brought the Cubs within one game of the pennant. He held opposing batters to a .233 batting average from 2002 to 2005, while posting a 47–42 record and a 3.99 ERA.