Calling

[blindzebra]

If you don't see actual contact, you should not make the call. In the play you described you got beat back, so you never got an angle to see through the play. I've seen enough plays where it looked like there was no way that it won't be a foul,but guess what it was not.

I've seen players clap there hands on a shot to distract the shooter, sure sounds like a foul if you are in a stack.
Jordan used to slap his own arm on layups when he turned away from the basket, and he was not doing it to soften his shot. I've seen players kick out then fall on 3 pointers. It may look like a duck, it may sound like a duck, but that don't make it a duck.