knuckleballer


knuckle ball

or knuck·le·ball (nŭk′əl-bôl′)n. Baseball A slow pitch that has almost no spin and veers erratically, thrown by gripping the ball with the nails or knuckles near the tips of the index and middle fingers, and often the third finger.
knuck′le·ball′er n.

knuckleballer

(ˈnʌkəlˌbɔːlə) n (Baseball) a pitcher who throws knuckleballs