KSR has the play on video and quite frankly it was very close and could have gone either way. I know that doesn't fit with the fan desire here but in normal speed the defensive player appeared to move at the same time Keion started to elevate. Then the defensive player was definitely set outside the circle. So it was pretty much simultanous movement. In the NBA it would have been a no-call as probably the same for many college games. Neither player gained an advantage. But, typical in college ball the home team gets the favored call.