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.
Tottenham Hotspur are said to be eyeing up a move for Inter Milan's Marcelo Brozovic.
However, Staveley, who hails from 30 miles north of Leeds, insists she is 'very much still interested in buying Newcastle United'.
Should Tottenham look to loan Joao Mario?
Ibrox side Glasgow Rangers and Celtic are both said to be interested in Reise Allassani.
Tottenham Hotspur were linked with a move for Lookman before his 2017 move to Everton.
Liverpool have been linked with Jan Oblak of Atletico Madrid.
Scottish Premiership giants Rangers were hoping to snaffle Tyler Roberts from West Brom but Championship side Leeds United have made their move.
Everton boss Sam Allardyce has suggested that he is finished with making additions this month.
Championship clubs have been busy so far this month, with Leeds United, Cardiff City and Barnsley among those to impress.
Leeds United fans believe Peterborough United have signed Marcus Maddison's replacement.