The Senegalese defender was said to be involved in an altercation with team-mate Jerome Prior.
The midfielder has been in good form for Huddersfield Town.
Everton will face West Bromwich Albion in the Premier League on Saturday.
Here is how we predict Leeds United and Middlesbrough will line up on Monday:
Jay Bothroyd says Tottenham's Harry Kane cannot compare to Manchester City's Sergio Aguero.
Rangers manager Mark Warburton is impressed with Leicester City’s performances in the Premier League this season.
Kanye West has defended the lyrics of his new track Famous, claiming Taylor Swift came up with the controversial section in which the rapper proclaims: “I made that bitch famous.”
George Clooney has backed Germany’s open-door policy towards refugees fleeing the Syrian conflict after meeting Chancellor Angela Merkel in Berlin.
The first signs of trouble for prosecutors came about three weeks into the trial.
Raymond James Financial said it expects an investment cost of more than $400m in the company’s planned purchase of Deutsche Bank’s U.S. private-client services unit.
Last year’s sure thing in credit markets is quickly becoming this year’s nightmare for bond investors.