. "Possession only occurs when a catch is completed, and having control is a key element of making a catch.The following is from the NFL???s statement on what defines a catch as stated in Rule 8, Section 1.???A forward pass is complete (by the offense) or intercepted (by the defense) if a player, who is inbounds:(a) secures control of the ball in his hands or arms prior to the ball touching the groun" . . .