The Croatian has been in fine form since his move to KAA Gent.
The pair worked together at Elche, and could work again at Deportivo La Coruna.
Tony Pulis has experienced a disappointing start to life at the Riverside Stadium.
The 21-year-old came on as a sub against Preston North End last night.
The Aston Villa defender is now struggling for football at Antwerp.
The Greek striker is being heavily linked with a move to Evangelos Marinakis' other football club.
The Dutchman came in for Gaetano Berardi but gave away a lazy penalty against Preston.
The Spaniard was billed as the second coming when he returned from suspension, but is now being left out of the Leeds United starting XI.
The Spanish boss was sacked after poor form earlier this season, but things have not improved for Leeds United.
The Championship play-offs are just around the corner.
The Guinea-Bissau international had an afternoon to forget against Millwall's under-23s.
The Czech Republic ace has 20 goals in all competitions this term.
The Whites are on an incredible 19-game unbeaten run.
The Sheffield Wednesday striker is wanted by Manchester United, but Leeds can tempt him to Elland Road.
Leeds United have recently been linked with the signature of Carpi striker Jerry Mbakogu. The Nigerian has not, however, had the best of seasons in Serie...