The former France captain thinks that N'Golo Kante has been better though.
Aston Villa’s Ashley Westwood has been linked with Burnley.
The EU referendum result was cited as a possible reason for his departure in recent reports.
Rangers have already brought in seven new players this summer.
The 19-year-old has recently signed a new deal with the Scottish Premiership side.
Wales face Northern Ireland in Paris on Saturday.
Welcome to this morning's transfer round-up. This edition features 'Chelsea looking at Emanuele Giaccherini?' and 'Oostende's Jordan Lukaku interesting Chelsea?' plus more, so delve in below.
Everton are reportedly stepping up their interest in Newcastle goalkeeper Tim Krul.
Stoke City and Swansea City have been linked with Andros Townsend.
Charlie Mulgrew’s future at Celtic appears to be uncertain.