The Daily Mail report that Leeds are willing to let their 27-year-old former skipper go following the loan signing of Sol Bamba as they try to streamline their wage bill.
Leeds also have interest from Cardiff City in midfielder Rodolph Austin.
The Jamaica international is a popular figure at Elland Road but another they are prepared to sacrifice.
Aston Villa and Liverpool remain keen on highly-rated 17-year-old midfielder Lewis Cook who has yet to resolve a new contract.
Cook has made 26 appearances in all competitions for Leeds this season.