"The University of Illinois is also in turmoil. The university sports an Interim Chancellor, an Interim Athletic Director, and an Interim Football Coach; the game will be played at Soldier Field, making this an Illini Interim Home Game."
This article mentions that it probably wasn't even his best play of the season because he was unblocked. It also marvels a bit at how it follows Clowney around now.
I don't think it was the best play of the year, but hey, it's the ESPYs. And it looked big. At least Vincent could laugh it off (and shake it off without injury) afterwards.