The other English club side playing in this year's Europa competition, Chelsea also got off to a winning start, thanks to a goal from Brazilian Willian in a 1-0 win over Greek side PAOK Salonika.
A trip to north London to face Arsenal is always going to be a tough ask but that is even more the case for an Everton team with a simply woeful record at the Gunners relatively new home.
Leno's performance gave every indication that he is indeed more suited to Arsenal's new style of play, and it was put to Emery that the 26-year-old might keep his place for Everton's visit on Sunday.
Aubameyang was seen as a contender for the Premier League's golden boot award this season but only has one goal in five league games so far.
2 dead after van is swept away in S. Carolina
He said it's typical for deputies to transport mental-health patients, and restraints aren't used if the patients aren't a threat. Cooper warned that the flooding is far from over and will get worse in places. "People need to know exactly how it happened".
"But we need to continue to improve on this because in the last minute in Newcastle and again today in the last 20 minutes, we conceded two goals. But also I have a lot of confidence in [Alexandre] Lacazette", he said. "It's clear, we want them to score".
Leno revealed Emery has not come to a specific arrangement with his goalkeepers over who will play in which matches, and added that he has a good working relationship with Cech.
"We are speaking before each match to take a mentality of "don't concede chances easily"... but the last 30 minutes, we needed to be better on this competitive aspect. Of course, it is very good to work with him and for my development it is very good to have the competition with him". "We want to do better in this minute", he told BT Sport.
But Emery said players would be picked on merit, saying: 'My first priority is to find the best performance for each match and competition. I hope that tomorrow and Saturday, he will be okay for Sunday.