Longevity in career
Baseball intelligence
Pitching accuracy
Having a strong work ethic
Being a role model for young pitchers
Being a student of the game
Being a ground ball pitcher
Being a leader in the clubhouse
Being a master of the changeup
Being a strikeout artist
Having a low walk rate
Most wins in the 1990s
Led the league in ERA in 1994 and 1995
Won Gold Glove Award 18 times
First pitcher to win four consecutive Cy Young Awards
Pitched a 20-win season in 1992, 1993, 1994, and 1995