NCAA 2-16 Catch
SECTION 16. The act of a fielder in getting secure possession in the hand or glove of a ball in flight and firmly holding it, providing the fielder does not use the cap, protector, pocket or any other part of the uniform in getting possession.
In establishing the validity of the catch, the fielder shall demonstrate complete control of the ball and that the release of the ball is voluntary and intentional. Only two circumstances may be interpreted as creating a voluntary and intentional release.
1) When the momentum of the catch is complete; i.e., the fielder has reversed his direction and is running the ball back toward the infield or;
2) When the fielder is reaching for the ball to make a throw.
a. It is not a catch if, simultaneously with or immediately after contact with the ball, the fielder collides with a player or fence or falls down and, as a result, drops the ball.
b. It is not a catch if a fielder touches a fly ball that then hits a member of the offensive team or an umpire and then is caught by that fielder or another defensive player.
c. If the fielder has made the catch and drops the ball while in the act of making a throw (i.e., reaching for the ball in the glove) after the catch, the ball shall be judged to have been caught.
d. It is not a legal catch if either foot is touching dead-ball territory when the catch is made (see 6-1-d-4).