The Armenian scored twice against Bayern Munich in what was his first start in the Bundesliga.
The manager is preserving stability despite a decimated squad.
The newly promoted side stunned Borussia Dortmund recently.
Uli Hoeness is preparing to step aside at the German giant.
After a fairly lacklustre year by their standards, Kovac could be on the move after only one year.
Dortmund fell 4-2 to Schalke after a series of controversial decisions.
The German side should not be taken lightly by the London-based team.
After destroying Dortmund 5-0, Bayern Munich are now on top of the German Bundesliga.
Goalkeeper Bürki has been pivotal to Dortmund's title push this year and will be key to the end.
The young German was surplus to Arsene Wenger's requirements nearly 3 years ago.