ARSENAL's Europa League clash with Ukranian side FC Vorskla was switched to Kiev from the city of Poltava by Uefa on Tuesday after the adoption of martial law in some areas of the country due to escalating political tension with Russian Federation. They are better-placed in terms of head-to-head record with Sporting Lisbon, who are now in the second position.
Emery chose to promote several youngsters to the first team, after making 10 changes to the side that beat Bournemouth in the Premier League last weekend, with only centre-back Rob Holding retaining his place.
18-year-old Emile Smith Rowe opened the scoring for the visitors just 10 minutes into the game.
Aaron Ramsey also converted a penalty as Unai Emery's side finished the match with six teenagers on the Olympic Stadium pitch.
It was three before half-time when Willock got the goal his performance had deserved, taking a ball from Mohamed Elneny in his stride before spotting a small space inside the Kosovo defender and placing the ball beautifully across Shust from 20 yards.More news: Paul Manafort: New accusations jeopardize plea agreement
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Press Association Sport understands a small group of Arsenal support staff were also already in Poltava before UEFA's decision, while the plane carrying the team to Kiev had technical difficulties which meant their pre-match press conference was delayed by 90 minutes.
Unai Emery, while talking about the talent and quality of the Gunners' academy, said "He is a good example for the other young players". Uefa yesterday found the best decision to play and also with protecting everybody, us and them.
Joe Willock became the 21st different goalscorer for Arsenal in the Europa League since the start of last season.
Arsenal has already clinched its place in the round of 32, while Vorskla cannot advance, but the Gunners seek a stronger grasp on first place in the group, which could lead to a more advantageous route in the knockout stage.
"Four goals plus a clean sheet, a good night for us".
All three goals were scored during the first 45 minutes.