Stuart Dallas was substituted in the 52nd minute of Northern Ireland's 1-0 loss to Switzerland on Thursday night.
In the 52nd minute of Northern Ireland's 1-0 loss to Switzerland in the 2018 World Cup play-off on Thursday night, left-footed winger Stuart Dallas was replaced after falling victim to a number of heavy tackles from the Swiss defenders.
Now, with Leeds' clash against Garry Monk's Middlesbrough just nine days away at Elland Road, Christiansen must consider who can replace the former Brentford man from within the depths of his squad, if Dallas is indeed ruled out.
Jay-Roy Grot can play out wide, but his form has been disappointing to say the least - it's a similar story for Hadi Sacko. Samu Saiz and Pablo Hernandez are expected to start, while Kemar Roofe is likely to play up-front.
Christiansen may revert to a more solid 4-2-3-1 to remain cautious against Monk's Middlesbrough, and that would leave a slot open on the left wing.
The 23-year-old has appeared in the white of Leeds just twice, facing Burnley and Leicester in the Carabao Cup but was withdrawn both times before the 80th minute.
The Swedish ace has hardly been given a fair rub of the green since his move this summer, with Christiansen seemingly unwilling to give him a try over such faltering attackers in Pierre-Michel Lasogga, Sacko and Grot.
But next Sunday's clash against Middlesbrough is the perfect opportunity for Cibicki, and Christiansen should throw him into the deep end to see if the nine-time Sweden Under-21 international has what it takes to succeed in the Championship.