Ranking Mac McClung's near-perfect NBA All-Star dunk night, from the tap-and-go slam to the 540 walk-off jam | CBS Sports Headlines Ranking Mac McClung's near-perfect NBA All-Star dunk night, from the tap-and-go slam to the 540 walk-off jam These dunks were spectacular at full speed, but watch them in slo-mo … Continue reading Ranking Mac McClung's near-perfect NBA All-Star dunk night, from the tap-and-go slam to the 540 walk-off jam