The first time Jurgen Klopp went head-to-head with Unai Emery, it was a chastening experience for the German. The two men face off again tonight when Liverpool host Villarreal in the Champions League semi-final at Anfield.
The Merseyside club are the favourites to advance to the final in Paris but Klopp’s experience in another European showpiece game will make him wary of any team managed by his Spanish counterpart.
