ENGLEWOOD, Colo. — Vance Joseph could only describe the Broncos’ defense on third downs as “embarrassing.” The Chargers converted 60 percent of their attempts and amassed 220 yards on third down, wreaking havoc on the Broncos with big passing play after big passing play.



There was an exception to Joseph’s blanket description though.



In the third quarter, Von Miller, once a self-appointed “honorary member” of the Broncos’ No Fly Zone secondary, read the screen and knew he had three receivers outside of him, so he hung back and awaited the pass. Miller intercepted Rivers and, using every big of his 4.5 speed, sprinted downfield 42 yards before Travis Benjamin brought him down.



“He felt it. He felt the screen,” Rivers said after the game. “If I would have found a way to make a better throw and get it around there somehow, it’s probably a touchdown. (Denver) had a pressure called —...