In 1963 Gary Peters led the AL with a 2.33 ERA. He also won 19 games and threw 189 strikeouts. The White Sox would finish in 2nd place but still 10.5 games behind the Yankees. Peters would win the Rookie of the year beating out teammate Pete Ward who hit .295 with 22 homers.
Peters was a 26 year old rookie that had pitched for the White Sox in 1959, 1960, 1961, and 1962 but still retained "rookie" status in 1963. He even appeared on Topps cards in 1960 and 1961. He appeared on a multi-player rookie card in 1963.