on ps2 press x and square at the same time. it is very hard though.
a+x
Lt + a
u dont?
On PS2 it is R2.
if only an alley-oop .. in pc .. press numpad 0 + Shift .
L2+x
To throw an alley-oop in ESPN College Hoops 2K5, first, make sure you have a teammate cutting toward the basket. While driving to the hoop or in a suitable position, press and hold the L1 button (PlayStation) or the Left Bumper (Xbox) along with the pass button. Aim your pass toward your teammate by directing the joystick in their direction. If timed correctly, your teammate will jump and complete the alley-oop.
Jmup to dde cente l1
to throw a alley-op on nba 2k12 for ps3 is just by pressing L2 and the circle button on your ps3 controller
how to throw an alley hoop dunk in PC games
Left Trigger and A when a player is approaching the basket
To alley oop on NBA 2k13 PC, one needs to accelerate by pressing the forward button until one reaches the basket and then shoot the ball back to another player to score.