Grayson Allen tangles with a Louisville player and gets slapped in the face

Grayson Allen tries to move around a Louisville player. (Andy Lyons/Getty Images)

At least Grayson Allen didn’t trip anyone this time.

The Duke player, who was given an indefinite suspension that turned out to last one game after he tripped a player from Elon College last month, was reminded of that as the Blue Devils faced Louisville on Saturday. He heard about it in the form of boos and “Sweep the leg!” chants. There were a few derogatory signs, too, such as “Caution Tripping Zone” with a falling stick figure.

This being Allen, there was controversy. In Duke’s 78-69 loss, the guard grabbed Donovan Mitchell’s arm after he…