In June 2004, Clement was 6-2 and a candidate to be named to the All-Star Game. But in his next six starts before the break, Clement went 0–4, despite a 2.15 ERA. His run support in those starts was just 1.19 runs per game. He finished with a 3.68 ERA but went 9-13 for the Cubs, who scored only 79 runs in his 30 starts (which is 2.63 runs of support per game, the sixth-lowest mark in the NL). Against American League teams in interleague play, Clement had a 7–7 record with a 3.60 ERA in 19 starts.