Liverpool are monitoring developments with Tottenham midfielder Victor Wanyama.
Manchester United and Chelsea have also taken note that the Kenya international has been used sparingly by Tottenham manager Mauricio Pochettino following his return from injury.
Wanyama has started in the FA Cup ties against AFC Wimbledon and Newport County but has been used predominantly as a substitute during the eight other games that he has been involved in since recovering from a knee injury.
That included a 12 minute cameo against Liverpool when he changed the game with a thunderous strike in the 2-2 draw.