Trailing 14-9 at halftime, Anthony Pistelli kicked his fourth field goal and Williams scored on a 1-yard run for a 19-14 lead.
Devlin Hodges-who was 30 of 44 for 392 yards-hit Emmanuel Obajimi on a 94-yard scoring pass and McKnight scored on the punt return. Obajimi had seven receptions for 144 yards and Krael Hamilton caught eight for 101.
Williams scored again on a 3-yard run that was set up by James Bradberry's interception. K'rondis Larry then romped 94-yards for a touchdown on the next possession. Larry had four carries for 102 yards.