He compiled stats is his first 4 years that place him among the top pitchers of all time.1984: 17-9, ERA 2.60 and 276 Strikeouts (setting a rookie record). 1985: 23-4, ERA 1.53 and 268 strikeouts. 1986: 17-6, ERA 2.84 and 200 strikeouts. 1987: 15-7, ERA 3.21 and 148 strikeouts.