Mike Vrabel didn’t have any facial protection when Milton Williams headbutted him in the waning moments of Sunday’s win, but that was nary a concern for the Patriots’ defensive tackle. Or head coach, for that matter. Williams, New England’s prized defensive addition over the offseason, was everything the Patriots needed him to be in the 16-3 Wild Card Round win over the Los Angeles Chargers. Most importantly, he had the game-sealing sack on Justin Herbert late in the fourth quarter.