The 54-year-old Klopp said that reaching the final was an outstanding achievement, and a very special occasion as the rivals were fighting really hard to negate the advantage of the first leg.
With striker Gerard Moreno a surprise inclusion in the Villarreal starting 11 on Tuesday night, the home side kicked off with a totally different attitude to the team that sat deep at Anfield last week and they got their reward as early as the third minute.
Unai Emery's men have a difficult task over overturning a 2-0 first leg deficit against Liverpool, who are arguably the favorites to win the competition.
Many fans are surprised that Arsenal have gone ahead with Arteta over other options like Carlo Ancelotti.
It is worth highlighting that the 47-year-old was removed as the Spurs boss on 19 November after a sub-par start to the season.
Emery, who served as Arsenal boss for 18 months, was fired on November 29 after a string of low performances.
Arteta, who played for Arsenal from 2011-2016, has spent the last three years as an assistant to Pep Guardiola at Manchester City.
Although the Gunners have sacked Unai Emery, their decision does not seem to be having any effect on their performance.
Freddie Ljungberg, who has played under Wenger and was a member of the 2003-04 title-winning campaign of Arsenal, said he was keen to take Wenger's advice.
Unai Emery was sacked as Arsenal manager after seven games without a win in all competitions that had seen the Gunners fall well off the pace in the race for a top-four finish. The tally has now extended to eight.
