1967: All-Star, 20 wins at age 24, led league in CG (20)
1969: 21 wins, led the league in K's (273), starts (42)
1971: All-Star, Cy Young Winner, led league in wins (24), IP (325), CG (30)
1974: 25 wins (career high), Comeback Player of the Year, 5th in MVP
1982: Returned to Cubs at age 39, 3.15 ERA, 3000th strikeout, 14 wins