Liverpool's Sadio Mane (1st L) celebrates after scoring during the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)

Salzburg's players and supporters celebrate after scoring during the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)

Liverpool's manager Jurgen Klopp (2nd R) acknowledges the supporters after the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)

Liverpool's supporters are seen in the stands before the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)

Liverpool's Andy Robertson (C) celebrates with his teammate Trent Alexander-Arnold (R) after scoring during the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)

Liverpool's Mohamed Salah (L) celebrates with teammate Roberto Firmino after scoring during the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)

Liverpool's Mohamed Salah (2nd R) celebrates with his teammates after scoring during the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)

Liverpool's Mohamed Salah is seen during the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)

Liverpool's Mohamed Salah is seen during the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)

Liverpool's players celebrate after scoring during the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)

Liverpool's Joe Gomez (R) vies with Salzburg's Hwang Hee-Chan during the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)

Liverpool's Roberto Firmino (R) vies with Salzburg's Enock Mwepu during the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)

Liverpool's Mohamed Salah (2nd L) celebrates after scoring during the UEFA Champions League Group E match between Liverpool and Salzburg in Liverpool, Britain on Oct. 2, 2019. Liverpool won 4-3. (Xinhua/Han Yan)