Leeds goalkeeper Rob Green could face a crucial match to impress if he is given a starting role against Port Vale on Wednesday.
The 37-year-old is a member of the Whites squad, but has been pushed down the pecking order to second-choice goalkeeper following the arrival of Felix Wiedwald.
Thomas Christiansen went with Wiedwald in goal for the opening day of the Championship season and he delivered a underwhelming performance in a 3-2 victory.
The 27-year-old, who arrived from Bundesliga side Werder Bremen, struggled to assert himself in the air and looked nervous on his competitive debut.
He is likely to be given another chance to prove he should be the number one option, but will need to improve significantly and show that he can deal with crosses in a better fashion.
Wiedwald is experiencing his first taste of English football and learnt the hard way the physicality of the Championship.
Meanwhile, Green could lay down a marker against Port Vale if Christiansen decides to rotate goalkeepers for the Carabo Cup first-round tie.
The former England international was one of Leeds’ outstanding performers last season and has been an unfortunate casualty of the new managerial appointment.
Christiansen will be aware of Green’s performances last season, which played a massive role in them finishing seventh.
The experienced shot stopper made 47 appearances in the last campaign and kept 15 clean sheets in return.
A solid display from Green against Port Vale should put pressure on team-mate Wiedwald and remind Christiansen that he already has a proven Championship performer at back-up.