ARLINGTON, TEXAS - SEPTEMBER 27: Head coach Nick Sirianni of the Philadelphia Eagles stands on the sidelines in a game against the Dallas Cowboys a at AT&T Stadium on September 27, 2021 in Arlington, Texas. (Photo by Richard Rodriguez/Getty I PHILADELPHIA - Nick Sirianni’s experience as an assistant coach with the Chargers helped prepare him to be a head coach.He’ll try again for his first home win in four tries when the Philadelphia Eagles (3-5) host those Chargers (4-3) on Sunday.MORE SPORTS HEADLINESSirianni spent five seasons with the Chargers in San Diego and Los Angeles first as a quality control coach in 2013 and then quarterbacks coach and wide receivers coach.