Scout, quality control, positional coach, coordinator — those are all titles Jonathan Gannon has held in a still-young-but-impressive NFL coaching career. The Broncos announced at 6:30 p.m. Denver time Wednesday they had completed the interview with Gannon. The 39-year-old’s diverse resume, plus Philadelphia’s second-half push to earn a wild-card berth, led the Eagles’ defensive coordinator to land an interview for the Broncos’ head coaching vacancy Wednesday in the Philadelphia area.