Getty Josh Hart of the New York Knicks and Shai Gilgeous-Alexander of the Oklahoma City Thunder go after the loose ball during the first half at Madison Square Garden. The play usually happens in the middle of chaos — the kind of possession that demands energy, instinct and effort. A missed shot ricochets off the rim. Bodies collide in the paint. The ball squirts loose toward the sideline. And almost every time, one player is already sprinting toward it before anyone else realizes what’s