Visiting Atalanta shocked top favourites Liverpool 3-0 at Anfield in the Europa League quarter-finals on Thursday in another major setback for Jürgen Klopp’s men, while unbeaten Bayer Leverkusen marched on with a 2-0 win over West Ham United. Gianluca Scamacca scored a 38th and 61st-minute brace, and Mario Pasalic wrapped up matter in the 83rd to put the Italians into pole position for a semi-final berth in their home leg next week. Defeat for Liverpool came after they were held 2-2 by Manchester United on Sunday and lost the Premier League lead to Arsenal in a three-way title fight also invol…