#20: Grover Cleveland Alexander
There are only a handful of pitchers that can boast the numbers of “Grover Cleveland”” Alexander, and from the jump he performed at a higher level than his peers. In his rookie year, Alexander led the league with 28 wins, 31 complete games, 367 innings pitched, 7 shoutouts and finished second in total strikeouts.
Over the course of his career, Alexander led the league in ERA 5x, in Wins 5x, in innings pitched 6x, complete games 5x, and shutouts 5x. He is a World Series Champion and was elected into the Baseball Hall of Fame in 1938.