What was Horry supposed to do? He had to foul Nash to stop the clock. How can you foul someone flying by you, next to the sideline (so he won't veer away to avoid you)?
If you stick out an arm, it's a clothsline. If you try to bearhug, his momentum will make it look like a full takedown/tackle. If you try to touch him with your hand, it either doesn't get called (and the clock ticks on) or it looks like slap or even a punch.
What was Horry supposed to do? What is the "accepted" play? Can anybody tell me?
