This is a standard four verticals concept out of a 3x1 alignment, with the trips side of the formation to Williams’ left. Buffalo clouds the picture presnap, showing a single-high look with man coverage indicators across the board: Cornerbacks are parallel to the line of scrimmage, with their eyes on the receivers across from them.

Williams completed five of his six pass attempts on the 97-yard touchdown drive, opening his night in style. He also delivered a couple of key throws, like the 36-yard completion to Olamide Zaccheaus and a 29-yard dime to tight end Cole Kmet. Those plays lessened the pain of some of Williams' tougher days on the practice field.

Bears QB Caleb Williams got off to an impressive start in his preseason debut with Ben Johnson. Here's how the NFL world reacted to his outing.

Chicago Bears quarterback Caleb Williams spoke about the impact that new head coach Ben Johnson has had on him and the team so far.

Chicago Bears head coach Ben Johnson praised Caleb Williams following his performance during the team's 38-0 preseason win over the Buffalo Bills on Sunday, but acknowledged that the quarterback still has some room to grow.