Baku, April 12, AZERTAC Atalanta recorded a famous 3-0 victory in the first leg of their UEFA Europa League quarter-final against Liverpool at Anfield as the Premier League side were left stunned in front of their own fans, according to Eurosport.Gianluca Scamacca struck a superb double either side of half-time (38' and 60') before Mario Pasalic (83') added what could be a killer third for the clinical Italian side in the 83rd minute.Mohamed Salah was introduced at half-time with Liverpool trailing, but even he could not retrieve the situation as his finish on 79 minutes was ruled offside.Pasalic's 50th goal for Atalanta condemned the tournament favourites to a grim evening and leaves them needing to win by four goals in the return leg next Thursday against a side occupying sixth spot in Serie A.It was little wonder Atalanta celebrated with the visiting fans at full-time after arguably their greatest European victory.