He made his debut in the starting eleven for the opening-day defeat at Middlesbrough, and opened the scoring in a 2–2 draw with Ipswich Town on August 19. For his performance against Ipswich Town, Edgar was named Man of the Match and did so for the second time against Brentford. As a result, Edgar was named August's Player of the Month. However, Edgar was sent–off in the 7th minutes against Bournemouth, as they lost 8–0. Following this, Edgar was dropped from the first team after they signed Michael Morrison. Up until that point, Edgar became a first team regular at the start of the season, establishing himself as centre-back of choice alongside captain Paul Robinson.