Most of the greatest pitchers in baseball history have been six feet tall or taller.
Walter Johnson was 6'1". Randy Johnson was 6'10". Even Greg Maddux and Mariano Rivera are both taller than six feet.
So that begs to question: Who are the greatest pitchers in history that were 5'11" or smaller?
I came up with a list of 12 pitchers all under six-feet tall (based on their player page on Baseball-Reference) and here they are in order of greatness from No. 12 to the greatest ever.
Let's start with a couple honorable mentions.