Randy Johnson, LHP
Career: 1988-2009, M's, D-backs, others
Fun fact: Averaged 354 K's 1999-2002
The Big Unit led the league in strikeouts nine times, struck out 20 batters in one game, won five Cy Young awards, threw two no-hitters (including a perfect game), won back-to-back World Series games and finished with 303 victories.
His stuff was so nasty some batters literally feared him (remember Larry Walker and John Kruk in the All-Star Games?) -- while birds had even better reason to do so. -- Jim Caple