In Major League history, the term knuckle curve or knuckle curveball has been used to describe three different pitches. All are unrelated to the similar sounding knuckleball.
James Hoyt Wilhelm, nicknamed "Old Sarge", was an American professional baseball pitcher in Major League Baseball with the New York Giants, St. Louis Cardinals, Cleveland Indians, Baltimore Orioles, C
Knuckle curve
…pitch may have been the same as the knuckleball thrown by Jesse Haines and Freddie Fitzsimmons. The pitch would be perfected by Chicago White Sox legend Hoyt Wilhelm during the later stages of his career, after flirting with it for most of his time in the majors. Cody Allen…
Wilhelm with the New York Giants in 1953
James Hoyt Wilhelm Commemorative Statue outside Huntersville Athletic Park in Huntersville, North Carolina
Wilhelm served as pitching coach of the Nashville Sounds from 1982 to 1984.