What's the noun for knuckleballed? Here's the word you're looking for.
knuckleball
(baseball) A pitch thrown with the ball gripped on the fingertips and released with no rotation, which travels over an unpredictable path to the plate due to micro-turbulence in the air.
“Matter of fact, a knuckler shouldn't be thrown hard, but then the ball don't travel as fast, either, you dig?”
“The knuckler is thrown with an easy, almost lobbing motion, and, because of the minimal arm strain, knuckleball pitchers may have remarkable longevity.”
“But he turned around and threw such a perfect knuckler you could count the seams on the ball.”