Goaltending
Violations
Blocking a shot on its downward flight.
Easy Summary
Cannot touch ball on downward flight to basket. Once it hits the rim, it is fair game.
Official Text
Article 31: Goaltending occurs during a shot for a field goal when a player touches the ball while it is completely above the level of the ring and: It is on its downward flight to the basket, or After it has touched the backboard.