Liverpool's Naby Keita celebrates scoring their first goal with Virgil van Dijk and teammates during the Champions League match in Group E between FC Salzburg and Liverpool at Red Bull Arena Salzburg, Salzburg, Austria, December 10, 2019. Liverpool moved into the last 16 of the Champions League with a 2-0 victory over Salzburg on Tuesday as a potentially tricky encounter turned into a second-half cruise with quickfire goals from Naby Keita and Mohamed Salah. Reuters/John Sibley

Liverpool's Naby Keita scores their first goal during the Champions League match in Group E between FC Salzburg and Liverpool at Red Bull Arena Salzburg, Salzburg, Austria, December 10, 2019. Liverpool moved into the last 16 of the Champions League with a 2-0 victory over Salzburg on Tuesday as a potentially tricky encounter turned into a second-half cruise with quickfire goals from Naby Keita and Mohamed Salah. Reuters/John Sibley

Liverpool's Naby Keita celebrates scoring their first goal with Andrew Robertson and Roberto Firmino during the Champions League match in Group E between FC Salzburg and Liverpool at Red Bull Arena Salzburg, Salzburg, Austria, December 10, 2019. Liverpool moved into the last 16 of the Champions League with a 2-0 victory over Salzburg on Tuesday as a potentially tricky encounter turned into a second-half cruise with quickfire goals from Naby Keita and Mohamed Salah. Reuters/John Sibley

Liverpool's Mohamed Salah shoots at goal during the Champions League match in Group E between FC Salzburg and Liverpool at Red Bull Arena Salzburg, Salzburg, Austria, December 10, 2019. Liverpool moved into the last 16 of the Champions League with a 2-0 victory over Salzburg on Tuesday as a potentially tricky encounter turned into a second-half cruise with quickfire goals from Naby Keita and Mohamed Salah. REUTERS/Michael Dalder

Liverpool's Mohamed Salah in action with FC Salzburg's Cican Stankovic during the Champions League match in Group E between FC Salzburg and Liverpool at Red Bull Arena Salzburg, Salzburg, Austria, December 10, 2019. Liverpool moved into the last 16 of the Champions League with a 2-0 victory over Salzburg on Tuesday as a potentially tricky encounter turned into a second-half cruise with quickfire goals from Naby Keita and Mohamed Salah. Reuters/John Sibley

Liverpool's Mohamed Salah scores their second goal during the Champions League match in Group E between FC Salzburg and Liverpool at Red Bull Arena Salzburg, Salzburg, Austria, December 10, 2019. Liverpool moved into the last 16 of the Champions League with a 2-0 victory over Salzburg on Tuesday as a potentially tricky encounter turned into a second-half cruise with quickfire goals from Naby Keita and Mohamed Salah. Reuters/John Sibley