Barnsley have signed former Nottingham Forest defender Dani Pinillos from Cordoba.
The Rangers man is being linked with a move away from Ibrox, with Sunderland among those said to be keen.
Nottingham Forest defender Eric Lichaj is attracting interest and Ibrox club Rangers should join the race.
Eric Lichaj has just a few months remaining on his Nottingham Forest contract as it stands - and he may be on Leeds' radar.
Nottingham Forest won 2-0 against Burton Albion yesterday, with Eric Lichaj getting on the scoresheet.
HITC Sport understands a number of clubs are monitoring the Nottingham Forest defender.
Mark Warburton has been linked with a reunion with Rangers' James Tavernier at Nottingham Forest - which would provide competition for Eric Lichaj.
The best out-of-contract full-backs available for free this summer, with Leeds, Newcastle and Nottingham Forest stars featured.
While Aston Villa's fullback options are far from convincing, Eric Lichaj continues to be Nottingham Forest's Mr Consistent.
Nottingham Forest won against Huddersfield Town in the Championship on Saturday afternoon.
Nottingham Forest moved up to eighth in the Championship with a 1-0 away win at Birmingham City.
Eric Lichaj has been handed a new two-and-a-half-year contract at Nottingham Forest, and the numbers back up the Championship club's decision.
Nottingham Forest manager Stuart Pearce has announced that in-form right back Jack Hunt is suffering from an injury.