In , he became a full-time starter and posted average seasons the next three years. In 2002, he was 12-12 with a 4.58 ERA, in , he was 12-13 with a 4.51 ERA, and in , he was 12-11 with a 4.89 ERA. Garland's season was very strong; he went 18-10 with a 3.50 ERA, 115 strikeouts, and led the AL with 3 shutouts. He also made the All-Star Team, pitching 1 scoreless inning, and helped the White Sox win the American League Central Division and the 2005 World Series. In Garland's first career postseason start, he threw a complete game, 4-hitter, with 7 strikeouts against the Los Angeles Angels of Anaheim, in the ALCS. In his other postseason start, in the World Series, Garland pitched 7 innings and gave up only 2 earned runs.