By Ewan Murray After an exhilarating draw with Manchester City in the Premier League last weekend, Liverpool return to Europa League action this Thursday. The Reds did the hard work during their last 16 first leg with Sparta Prague last week, securing an emphatic 5-1 victory at the epet Arena. As a result, Jurgen Klopp is likely to field a greater number of his fringe players and youngsters this time out against the Czech champions, especially with the FA Cup quarter-final against Manchester United this weekend. But as much as Klopp will want to rotate at Anfield on Thursday, he still has an a…