Hearts of Midlothian suffer shock exit to Birkirkara, Aberdeen see off Ventspils, Hibernian lose on penalties to Brondby.
Jurgen Klopp has said he suffered in the days after Liverpool's Europa League final loss to Sevilla in May.
ESPN FC's Steve Nicol reacts to UEFA's Best Player of Europe award list, which left Neymar out of their top ten.
Ties are to be played on July 28 and August 4
Super-subs Jayden Stockley and Wes Burns both came off the bench to fire Aberdeen to a 3-0 victory against Ventspils at Pittodrie in the Europa League