noun
- Plural of knuckleball pitcher; baseball pitchers who throw a knuckleball, a pitch that moves erratically with minimal spin.
Usage: sports; baseball
Examples
- The team signed two knuckleballers to bolster their pitching rotation.
- Knuckleballers are rare in modern baseball because the pitch is difficult to master.
- Tim Wakefield was one of the most successful knuckleballers in Major League Baseball history.
- Catchers often struggle with knuckleballers because the ball is unpredictable.
- The manager decided to start one of his knuckleballers in the playoff game.