Ange Postecoglou blamed a "very disruptive week" for Nottingham Forest 's 3-0 defeat at Arsenal but vowed "it won't take long" for him to impose his style on the team.
The 60-year-old's first game in charge ended in a disappointing loss as the visitors were second-best throughout, conceding the opening goal on 32 minutes courtesy of a sublime Martín Zubimendi volley.
Viktor Gyökeres added a second just a minute after half-time before Zubimendi headed in a late third, leaving Postecoglou to reflect on a whirlwind week after replacing Nuno Espírito Santo as Forest's head coach.
"It is no secret it has been a very disruptive week for the players," Postecoglou said. "Seven days ago their world was totally different from what it is today and you've got to understand that, I certainl