What we observe after he falls to the ground is called concussive convulsions.
Concussive convulsions occur Immediately after head injury within seconds of head impact. Jerking of all four extremities is observed, eyes rolled back.
That was shockingly hot. He was dominating that match... and then he fell
And then convulsed, and then that boner in his short was justttt the icing.
So sad, so beautiful, so tragic.