'He was injured so was a bit behind but now he is getting better.
The Premier League champions will be looking to close a very successful week after they dismantled Azerbaijan Premier League side Qarabag in the Champions League. While Francis Coquelin is out due to a hamstring injury he sustained on the weekend, Santi Cazorla is a long-term absentee.
Arsenal will begin their Europa League adventure at home to FC Koln, as they seek to take early control of Group H. Never in a million years did Arsenal fans think they'd be playing Europa League football this season. Discussions eventually broke down leading to Wilshere staying and Wenger says he can revitalise his career at Arsenal. He has been speaking to the press about the Spain global, and has branded him one of the best players on the planet in his position.
However, Alexis Sanchez is likely to start the match, after training in the last three days following his appearance off the bench against Bournemouth.
The 26-year-old frontman told Arsenal Player: "This year I want to go further and reach the final, which is in Lyon".
If Arsenal fail to perform, Wenger will not be blaming the Cologne game - for which Mesut Ozil and Aaron Ramsey will be rested - as he feels there is enough time to recover. The strategy was also adopted by Wenger at Arsenal in the months before their FA Cup win.
While others have bemoaned the results at youth level and seen the likes of Chelsea and Manchester City utilise their billions to lead the way, Nelson has shown that the Gunners' Hale End academy is still capable of producing exciting talents who have the potential to play for the first team.
Arsenal have lost their first two Premier League away games of the season (0-4 vs Liverpool and 0-1 vs Stoke) - the last time that they lost their first three away games in a league season was 1954-55.
The Hard Tackle, therefore, predicts a hard-fought 1-0 win for the North London outfit to kickstart their Europa League campaign on a positive note.