Complex sentence: When play resumed, Knicks player Mark Jackson saw the alley-oop play get broken up, so he threw the ball inbounds to Tucker, who was the only player open.
Split into simpler sentences: When play resumed, the Knicks player throwing the ball in, Mark Jackson, saw the alley-oop play get broken up. He proceded to throw the ball inbounds to Tucker, who was the only player open.