Granit Xhaka raved about the qualities new signing Thomas Partey will bring into Mikel Arteta's Arsenal team.
Partey joined the Gunners from Atletico Madrid after they matched his £45 million release clause on the European transfer deadline day this month.
On Saturday, the Ghana international made his Premier League debut against Manchester City after replacing Xhaka as an 83rd-minute substitute.
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Although Partey's arrival provides more competition in the midfield, Xhaka believes the 27-year-old would improve Arsenal squad with his experience and mentality.
"He will be the guy who is important for me and as well for the team.