Bulls head coach Billy Donovan says Grayson Allen's dangerous foul 'could have ended' Alex Caruso's career | CBS Sports Headlines Bulls head coach Billy Donovan says Grayson Allen's dangerous foul 'could have ended' Alex Caruso's career Allen was given a flagrant 2 foul for the play and sent into the … Continue reading Bulls head coach Billy Donovan says Grayson Allen's dangerous foul 'could have ended' Alex Caruso's career