[Bidimus1]

If you trust wikipedia.

https://en.wikipedia.org/wiki/List_of_knuckleball_pitchers

Oddly the less important somthing is the more chance of Wikipedia being right.

[Dr. Sivana]

Oddly the less important somthing is the more chance of Wikipedia being right.

Well, it depends on whether you consider a knuckle-curcve to be a knuckle ball. I can tell you that Steve Yeager, Johnny Oates and Joe Ferguson sure thought they were. I would include Burt Hooton on the list even if he wasn't a pure knuckle-baller.