Originally Posted by js12
If you analyse the slow-mo, you see that he travelled 2 times. After the initial steal, he took a step without dribbling. Then, he clearly takes 3 steps for the dunk.
it looks liked to me that he stole the ball and was already running at full speed as the ball began to dribble downwards, then took the legal 2 steps before planting himself and then dunking.
but who cares, it was a nasty dunk