Paul Lambert, Nigel Pearson and Tim Sherwood are currently the favourites for the job.
The German defender has been out of action with a knee injury.
Rangers ace Josh Windass has commented on his role at Ibrox.
Bad luck for West Ham loanee.
Wolverhampton Wanderers are still searching for Walter Zenga's successor.
The Tottenham Hotspur forward has been in good form this season.
Arsenal ran out 3-2 winners in a thrilling match in Sofia against Ludogorets Razgrad in the Champions League.
Scouts from Aston Villa, Celtic, Liverpool, Manchester United, Newcastle United, Sunderland and West Bromwich Albion watched Benfica take on Dynamo Kiev on Tuesday night.
Leeds United are only one point outside the Championship play offs as things stand.
The report claims that Glasgow Rangers remain confident of keeping the youngster despite Tottenham being one of seven sides reportedly interested.