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.

primarily with the toe, as he’s been limited to 40 games in his 13th NBA season. He’s averaging 7.3 points and 7.8 rebounds in 18.8 minutes per night while shooting 50% from the field.

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 ...