After weeks of transfer no-goes, the former Bayern Munich star would be an outstanding option for Slaven Bilic's squad.
Mirco Antenucci left Leeds United this summer on a free transfer.
Watford have been linked with Sofiane Boufal.
The agreement strengthens the club's presence in South Korea, and emphasises the commercial value of Heung-Min Son.
HITC Sport understands Conor Grant heading for Valley
Conflicting reports are emerging about Aston Villa's move for Bristol City striker Jonathan Kodjia.
Sunderland are reportedly keen to make David Moyes their new manager.
Joe Allen is reportedly closing in on a move to Stoke City.
Leeds CEO signed Reece Wabara for Barnsley last summer.
The Northern Ireland captain is back in training with Southampton after the Euro 2016.
Former Rangers winger Vladimir Weiss, who spent a season on loan at Ibrox with the Gers, mocked Celtic during their match against Paris Saint-Germain in the Champions League.
Tottenham Hotspur produced another Champions League scalp to beat Borussia Dortmund on Tuesday.
Alan Pardew is reportedly a candidate in the running for the West Bromwich Albion job.
Newcastle are likely to be active in the January transfer window.
Tottenham Hotspur won against Borussia Dortmund in the Champions League this week.
Tottenham Hotspur have finished ahead of Real Madrid in their Champions League group.
Everton are yet to confirm Ronald Koeman's permanent successor at Goodison Park.
Perhaps Ethan Hamilton will not be such a great fit for Rangers.
Tottenham Hotspur beat Borussia Dortmund 2-1 in Champions League action last night.
West Bromwich Albion sacked Tony Pulis on Monday.