The South Korean left the Bundesliga side for Spurs in the summer.
The Swiss international has not played in the Premier League since September.
West Ham United are currently having to cope without Dimitri Payet, Enner Valencia and Diafra Sakho.
Jack Grealish has been dropped from Aston Villa’s senior team.
The Leeds captain has missed the last two games through injury.
The Chelsea attacker singled out his former Lille teammate Gervinho for praise, along with stars from Manchester City and Everton.
Eric Dier and Harry Kane have played key roles for Tottenham Hotspur this season.
The English goalkeeper has been out of action recently.
Newcastle United take on Liverpool in the Premier League on Sunday.
Aston Villa were beaten 3-2 by Watford in their last outing.
Guillem Balague told Sky Sports show Revista de la Liga that Derby County beat off competition from roughly 11 other clubs to Eibar defender Raul Albentosa.
Manchester United striker Angelo Henriquez is currently on loan at Dinamo Zagreb.
Louis van Gaal is said to be worried over Rafael da Silva’s defensive qualities, along with the injury prone nature of Jonny Evans, Chris Smalling and Phil Jones.