The Cameroonian midfielder is currently on loan at the Boleyn Ground, and he has been one of the successes of the season.
Juventus midfielder Paul Pogba could be moving sooner rather than later after a cryptic comment from his agent.
George Boyd was a victim of the summer rebuild undertaken at Hull City, but they may be ruing their decision to let him join Premier League rivals Burnley.
Tottenham Hotspur are reportedly interested in signing Everton midfielder James McCarthy.
Nottingham Forest midfielder David Vaughan has not been given much of a chance this season.
Burnley manager Sean Dyche says the Clarets are under no pressure to sell striker Danny Ings.
Celtic have not found the back of the net with any regularity this season.
Here are the sides as West Ham United host Everton in an FA Cup replay.
Skrtel signed for the club in 2007 from Zenit St Petersburg and has played a prominent role under four different Liverpool managers.
The FA have charged both Aston Villa and Leicester City following a mass brawl during Saturday's game.