Aaron Mooy (front) takes a selfie with fans during the presentation of the Shanghai SIPG football club's new player Aaron Mooy in east China's Shanghai on Sept. 9, 2020. (Xinhua/Ding Ting)

Aaron Mooy (C) speaks during the presentation of the Shanghai SIPG football club's new player Aaron Mooy in east China's Shanghai on Sept. 9, 2020. (Xinhua/Ding Ting)

Aaron Mooy speaks during the presentation of the Shanghai SIPG football club's new player Aaron Mooy in east China's Shanghai on Sept. 9, 2020. (Xinhua/Ding Ting)