Arsenal vs Villarreal: preview of the Europa League semi-final
Arsenal advanced to the semi-finals of the UEFA Europa League after their 4-0 defeat of Slavia Prague on Thursday night - and began a deal with their former boss Unai Emery.Villarreal defeated Dinamo Zagreb 3-1 overall to book their place in the last four of the competition and their upcoming clash has added an extra spice to it given that Emery was fired just 18 months into his Gunners season.The two sides meet on April 29 in El Madrigal, with the second stage scheduled to take place a week later at the Emirates Stadium on…