Leeds United are set to get their season under way with a match against Bolton Wanderers next month.
Leeds have made nine new signings this summer, with Christiansen ringing the changes.
The Whites still have places up for grabs in their first-team, but Christiansen insists that he is getting closer to deciding upon the team he will play at the Macron Stadium.
“Well, I have my idea of the team that I can put out,” Christiansen said, when asked if he knows his strongest line-up at Leeds yet. “But there is still almost 10 days until the first game in the league.
“Everyone will have to show that they want to play.”
Christiansen has been getting to know the quality of his Leeds squad during their pre-season tour of Austria.
The Whites have faced games against Bursaspor, Borussia Monchengladbach and Eibar.
Leeds now face a friendly against Oxford United back in England, as their preparations for the new campaign step up.
Leeds are under pressure to start the new campaign well, as they aim to go one better than last term and secure a play off spot.
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