NCAA 7-5 A Ball
SECTION 5. A ball is:
a. A pitched ball at which the batter does not strike and which does not enter the strike zone on the fly;
b. Called by the umpire when the pitcher takes more than two pumping motions before delivering the ball when the bases are unoccupied;
c. Called by the umpire when the pitcher makes an illegal pitch or a quick return pitch with the bases unoccupied, unless the batter safely reaches base;
d. Called by the umpire when the pitcher takes the signal from an illegal position; or
e. Called by the umpire when, with the bases unoccupied, the pitcher fails to deliver the ball within 20 seconds after receiving the ball (see 9-2-c).