ENGLEWOOD, Colo. (AP) — It all starts up front, in the trenches, or, as Denver Broncos coach Sean Payton likes to say about the offensive line: “It’s the one group that permeates your building.” Meaning, if the O-line isn't right, a whole lot can go wrong. “If you’re not really good on the offensive line, you don’t know how good you are then on the defensive line," Payton said. "It’s the first line of attack, so when that group is playing at a certain level, then very quickly the defensive front has to meet that standard or it’s not good.