Reference for Throwing Ball off Own Backboard

[Camron Rust]

Originally Posted by just another ref

4-44-3: After coming to a stop and establishing a pivot foot the pivot foot may be lifted but not returned to the floor before the ball is released on a pass or dribble.

Throwing the ball against the board in this case, according to you, apparently is neither of these.

First, you have a typo, you meant try of goal, not dribble in your quote.

Then you forgot this fundamental part of the travel rule:

Traveling is moving a foot or feet in any direction in excess of prescribed limits while holding the ball. The limits on foot movements are as follows:

If the player is not holding the ball when the feet are moved, the article you cite is not applicable nor are any of the other articles in the traveling section.