An Atlanta Hawks fan slipped and injured his knee during a fan challenge as the team lost to the Portland Trail Blazers on Monday night.

Anthony hadn't participated in the team's morning shootaround, but he'd gone through an shooting workout on one of the side courts. #Magic guard Cole Anthony (doubtful; left big toe strain ...

The fan participated in a tic-tac-toe shooting challenge, and as he went up for a lay-up, he slipped and crashed to the ground. He was seen holding his left knee as his opponent continued the ...