Glasgow Rangers striker Martyn Waghorn has been linked with the Ibrox exit, and Leeds are one of the clubs interested.
The Whites have several fringe players out on loan at present.
Leeds United have a fairly thin squad but there are still a handful of players they should consider moving on.
The French midfielder has worked with Warburton at Watford and Brentford.
The Leeds United midfielder is currently on loan at Ipswich Town but cannot play this weekend.
Leeds loanee helped Ipswich to a win over Aston Villa.
Ipswich Town won against Aston Villa at Villa Park in the Championship on Saturday.
Leeds United currently have a number of players out on loan, but who stands the best chance of success upon returning to Elland Road?
Leeds United currently have seven players out on loan at various clubs.
Toumani Diagouraga recently joined Ipswich Town from Championship rivals Leeds United.