Miller's rookie season in 1901 was his best. He started 36 games for the Detroit Tigers in their first season in the new American League, and finished with a record of 23–13—the first 20-game season by a Detroit Tigers pitcher. In 1901, he also had 35 complete games (still an American League rookie record),Complete Games Records by Baseball Almanac at www.baseball-almanac.com 3 shutouts, 79 strikeouts, and a 2.95 ERA–89 points below the league average. His Adjusted ERA+ of 130 was 5th in the AL behind Cy Young. He was also among the league leaders in wins (4th) and winning percentage (6th) in the AL's inaugural season.
