The 20-year-old winger has been sidelined since early January with a broken foot.
The ex-Villa boss returns to the club in an advisory role.
Rafael Benitez has been appointed as the new Newcastle United manager.
Leeds United will take on Blackburn Rovers in the Championship on Saturday afternoon.
The Gunners boss says Mohamed Elneny has proved that he is ready for a regular starting spot in midfield.
The former Liverpool boss replaced Steve McClaren following his sacking on Friday.
Former Liverpool defender was happy to see his old side beat Manchester United.
Tottenham face Aston Villa and Leicester City take on Newcastle United.
At 20 in the countdown is a defender who remained a stalwart of the side for over a decade, making over 500 appearances in the process.
The former Chelsea star was a fan of the Spaniard's spell at Stamford Bridge.