The Gunners had been long-term admirers of the 24-year-old but the Midlands club outmuscled them to agree a £40million deal. But just how good is the Argentine? Sportsmail takes a look.
Bayern Munich did some nice things in the first half and some some good ideas. Precision was lacking, though. The veterans making their first appearance all looked pretty rusty.
Aston Villa announced on Saturday they had agreed a deal with Bayer Leverkusen for Leon Bailey as England's Jack Grealish has reportedly been the subject of an offer from Manchester City....