Sunderland are struggling in the lower depths of the Championship and need January investment.
Leeds United want to reinforce their right-back options but links with Reading's Chris Gunter and Millwall newbie Conor McLaughlin have come to nothing.
Aston Villa are interested after it emerged Reading defender Chris Gunter could be signed for just £1m - far less than Hull City want for Ahmed Elmohamady.
Sheffield Wednesday have been surprisingly linked with the Aston Villa player.
Swedish Under-21 right-back Linus Walhqvist has been linked with Leeds United for months but now it appears Reading's Chris Gunter is on their radar.
Aston Villa and Leeds United could rival Middlesbrough for the Reading defender.
Middlesbrough are reportedly pursuing Reading defender Chris Gunter.
The Wales international's former club lie just one point above the relegation zone.
Despite relegation near misses, the Reds have had some class players strut their stuff on Trentside this decade.
Reading boss Jaap Stam has commented on speculation linking him with West Ham.