From the rulebook:
"In establishing the validity of the catch, the fielder shall hold the ball long enough to prove that he has complete control of the ball and that his release of the ball is voluntary and intentional. "
I would guess the intentional, voluntary release language means it is not a catch.
"In establishing the validity of the catch, the fielder shall hold the ball long enough to prove that he has complete control of the ball and that his release of the ball is voluntary and intentional. "
I would guess the intentional, voluntary release language means it is not a catch.