Villarreal held Arsenal to a goalless draw to enter the Europa League final with an aggregate score of 2-1.
Arsenal trail 2-1 as they host Villarreal in the UEFA Europa League semi-final second leg.
Arsenal kept their top 4 hopes alive when they beat Newcastle United 2-0 in a Premier League encounter at St. James Park on Sunday (May 2).
Arsenal host Everton at the Emirates stadium on Friday night without their two main strikers Lazazette and Aubameyang.
It is important to take decisions that make a crucial difference in the points tally, with taking full advantage of differentials vital.
Arsenal, however, struggled to kick on from their positive ending to last season.