Bradley Roby rested on his heels and placed his hands lightly on his knees as his eyes bounced back and forth at the quarterback and the receiver standing a few feet in front of him. His mind quickly ran through his usual presnap checklist — the offense’s formation, the receiver’s split, the personnel groupings — to process the variables.
A second later, Roby was on the go, trailing San Diego wide receiver Tyrell Williams as he darted in front of the Broncos’ linebackers as a pass from quarterback Philip Rivers sailed his way. The ball grazed the fingertips of Williams before falling into the arms of Roby, who dashed toward the end zone for a touchdown.