It happens this quickly. It happens in an eyeblink. Quicker than that, even. One moment you are covering a running back in the end zone, doing as your skills and your instincts have guided you to do your whole athletic life.
The next moment, the knee goes.
And the season follows.
So the Jets have lost Avery Williamson for the season now, the ACL in his right knee torn because a teammate named Tevaughn Campbell — also doing as his instincts and his skills have directed him to do as long as he knows — fell onto Williamson’s leg in a moment when the leg wasn’t in position to be fallen onto.