The 20-year-old impressed once more during Wednesday night's 3-2 win over Swansea City.
The German appears to have stepped up his game for the Gunners since returning from injury.
West Bromwich Albion fans have called for Ben Foster to be dropped following his calamitous midweek perfomance against Aston Villa.
Rangers visit relegation-threatened Cowdenbeath on Saturday as they look to return to winning ways.
Aston Villa manager Tim Sherwood has made Christian Benteke the focal point of his attack.
The Leeds manager is hoping to push on from their current position of 15th.
The England under-21 international has three goals in nine games for The Owls.
Millwall welcome Norwich to The Den on Saturday as they look for their first win in five games.
The claret and blue boss has lavished praise on defensive duo Ciaran Clark and Matthew Lowton.
The former Arsenal and Everton defender says his old club are in a relegation battle.