The fact that he may be throwing a scuffed or moistened ball makes the risk even greater.
During the 1978 season, Don Sutton, then with the Los Angeles Dodgers, was ejected for having thrown a scuffed ball.
Early in their singles match, Ballesteros sought to change a scuffed ball for a new ball under Rule of Golf 5-3.
If the umpires found a scuffed ball or saw a pitch they felt acted unnaturally, they could eject Rhoden.
The young man, who now raced ahead of the entire pack dribbling the scuffed ball, flew past her.
He was warned by the umpires Sunday and would have been ejected if they thought he had thrown a scuffed ball.
It's been shoe polish and pine tar, a brawl at second base, a box of scuffed balls.
From time to time, particularly when complaints about scuffed balls occur, the league presidents give umpires lists of pitchers they should especially scrutinize.
In June, he was suspected of throwing scuffed balls in a game at Baltimore.
He would conceivably have seen it as a swindle, a fraud, literally an illegal pitch, like a scuffed ball.