Premier League leaders Arsenal welcome Norwegian side Bodo-Glimt to the Emirates Stadium on Thursday night for their second match of the competition.
The Gunners, who have won seven of their eight league games this season, began their Europa League campaign with a 2-1 victory over Zurich.
Arsenal will be expected to maintain their impressive run against Bodo-Glimt but Arteta insists it will be a ‘tough’ match, with Norway international Martin Odegaard informing his team-mates about their next opponents.
‘We’ve done our homework,’ Arteta said. ‘Obviously, we have made the players aware of the team that we are facing tomorrow, the history and what they’ve done in the last few years.
‘We have Martin in the squad who knows them really well and he’s done his homework in the dressing room to understand that tomorrow is going to be a tough game.
‘There are a few really good players and it’s a really good coach as well, and they have a clear identity with how they play.
‘You can see straight away what they are trying to do and again I’ve been impressed with them.’
Arteta also suggested Nelson would make his first appearance of the season in Arsenal’s home clash against Bodo-Glimt.
Academy graduate Nelson has played 48 games for the Gunners but has not featured in over a year, having spent most of last season on loan at Feyenoord.
‘After the spell that he had last year on loan, we wanted him back to see if there are any changes and there’s a prospect that we can really take to the next level,’ Arteta said.
‘We think the potential is there and we think we’ve seen something in Reiss that is special. He’s been a part of our academy system and now he’s going to have an opportunity.
‘He’s been out for almost three months with an injury, he’s back now, he’s fully fit and he’s ready to play. He just needs minutes now.’
Nelson suffered an injury setback in August but returned to training towards the end last month and was fit enough to make Arsenal’s bench for Saturday’s north London derby against Tottenham.
Arteta will rotate his squad for the visit of Bodo-Glimt as Arsenal have one eye on a mouth-watering Premier League clash with Liverpool this weekend.
On the need to rotate his players and make full use of his squad, Arteta said: ‘That’s what we have to try and do [keep our momentum going].
‘The best way to do that is how we prepare every single day, keep focused on the task and on everything that we’re doing well, and keep being humble.
‘There are a lot of things that we still need to improve and keep that willingness every time to become better every single day and to raise the competition between the members of the squad, because now everyone wants to play the game tomorrow.’
MORE: Brighton star Leandro Trossard responds to Arsenal and Chelsea links
MORE: ‘It’s not very complicated’ – Bodo/Glimt boss claims he’s sussed out Arsenal
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