Ball hits rim on throw in

[crosscountry55]

Originally Posted by egj13

Having a hard time visioning just based on the angle...but anyway. Not sure what he would have thought the violation was. If it hit the backside of the backboard then yes but why would the rim be a violation?

Me too. But someone mentioned it was a 5th grade game, so it could have been in a very small gym where there isn't the normal 4ft behind the plane of the front face of the backboard. That would make this more plausible.
Backside or support apparatus, or if the ball goes over a rectangular backboard = OOB violation. The bottom of the backboard and the flange/rim are inbounds, so no violation.