McKay will be away with the Socceroos as Roar look to push on with their tremendous unbeaten run but the midfielder isn't concerned that his absence will suddenly rock the boat.

"They will be fine," McKay told The Courier Mail.

Asensio's Screamer Vs FC Barcelona
Asensio's Screamer Vs FC Barcelona
In one of Real Madrid's most outstanding performances at the Camp Nou, Los Blancos beat FC Barcelona 3-1 in the Spanish Supercup. Real were leading 2-1 after Cristiano Ronaldo's 80th minute goal, but just before the final whistle, we sealed the win with this beautiful Marco Asensio strike.
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"Mitch (Nichols) has been doing great, Massimo (Murdocca) has had a bit of a rest now and has come on always in that last half and been different . . . we'll be fine in the midfield."

Coach Ange Postecoglou added: "He's definitely been one of the best midfielders in the A-League.

"The way he's been playing there's no reason why he can't transfer that to the Socceroos.

"It's going to be a pretty hard series of games in extreme conditions over there, so Matty's fitness and his work-rate would come in handy."