it't not like he thought the BYU fans were going to intentionally assault the players, just that it is dangerous to have hundreds of screaming, running fans all coming on the court as the players are trying to swim upstream to get to their locker room.

Also, BYU administration/security felt the same way as the announcer, and were prepared with a platoon of police officers lined up toward that area to help the Zags leave the court safely.