The Gunners midfielder says he knows Xhaka's game well and believes he is a strong addition to the side.
The midfielder has seen his time at Villa severely hampered by long-term injury problems but is back fully fit this summer.
The defender completed a move from Liverpool on Wednesday.
A look at how Nottingham Forest could look to benefit from their manager's friendship with the Tottenham Hotspur boss.
We take a look at three Everton players Hull City could sign if Roberto Martinez becomes manager.
Leeds have reportedly handed a trial to Gabriele Perico.
Wolverhampton Wanderers midfielder is said to be of interest to Newcastle United.
All the latest transfer stories surrounding Everton.
20-year-old O'Connell made his European debut for the Bhoys on Wednesday.
Garry Monk has spoken of Leeds United's need to strengthen in multiple positions, and Armand Traore would be an ideal signing.
West Ham United have been linked with the 23-year-old.
Aston Villa fans are split on the Australia international - or so it seems.
Karl Robinson turned down a move to Leeds United last summer.
Manchester United suffered a heavy defeat to Chelsea in the Premier League on Sunday.
Two women were found dead in his appartment.
Chelsea host Manchester United on Sunday afternoon.
Leeds United are set to take on Norwich City on Tuesday evening. The Canaries currently sit four points behind Newcastle United in the Championship.
The Newcastle United man continues to impress for the Magpies.
Should Leeds United try move for the West Ham United forward?
Aston Villa sold Adama Traore to Middlesbrough during the summer transfer window.
Owen Smith has copied his new policy ideas on workers’ rights from Jeremy Corbyn, the Labour leader’s campaign team has suggested.
Zinedine Zidane has hinted Real Madrid could swoop for Paul Pogba despite Manchester United’s willingness to pay a world record fee for the midfielder, with the head coach saying his club are always in the market for the finest footballers.
Teams competing in the FA Cup will be able to field a fourth substitute from the sixth round onwards in the competition this season, the Football Association have announced.