to find out who made the free throw comment.
If he knows who did it, call the T. If not, step up and say, "I don't know who just said it, but the next person that does gets a T. Is that clear gentlemen?"
The kids will get the message.
Generally, there's a lot more garbage that creeps in during summer league games. I don't even work them anymore for that reason, and because I don't want to put the extra mileage on my legs. But I don't blame any ref for running them ultra tight.