Who took over the managerial position at Sydney FC after Graham Arnold in 2018?
Reference
OpenAI's Answer
After Graham Arnold left his managerial position at Sydney FC in 2018, Steve Corica was appointed as his successor. Steve Corica, who was an ex-Socceroos midfielder and had served as Arnold's assistant coach, was confirmed as the new head coach of Sydney FC.
For more information, you can refer to the announcement from The Guardian: Sydney FC confirm former Socceroo Steve Corica as new coach.