We all saw the grimace at the same time: the forward motion of the arm, the rotator cuff coming around full speed like a gear and a piston and then the arm wheeling over the head and then the forceful closing of the eyes, the shudder, and the duck of the shoulder. That was the birth of Knight's injury in our collective consciences. Where it went from there is less definite.
Oh I imagine it started right then and there, a few whispers behind some clipboards, a few meaningful looks exchanged; the twitch of an eyelid or the fleeting touch of a visor brim.