The Gunners overcame Claudio Ranieri's previously unbeaten side and the Chile international marked a return to form with three goals.
LEICESTER, England -- Arsenal manager Arsene Wenger has insisted that winger Alexis Sanchez is back to his best following his hat trick in the 5-2 Premier League win away to Leicester City.
The former Barcelona star impressed at the Copa America during the summer, winning the tournament with Chile, and the Gunners boss believes that the continental competition provided a hangover that the 26-year-old has now recovered from.