The Senegalese was at his best as the Reds earned a 2-1 victory over Manchester City at Etihad Stadium on Tuesday to confirm their passage to the competition's semi-finals.
And his performance in that game has helped him see off Edin Dzeko (AS Roma), Mario Mandzukic (Juventus) and Arjen Robben (Bayern Munich) to win an online vote as last week's star man in the tournament.