Roberto Martinez on whether players will leave Everton in January

Kevin Mirallas and Steven Naismith have both been linked with moves away from Everton.

Roberto Martinez has remained coy over whether Everton will be open to selling players in the January transfer window, at his press conference on Thursday cover by the club's YouTube channel.

The Toffees have assembled a talented squad at Goodison Park, and the volume of options at Roberto Martinez’s disposal means that some of their most prominent figures in past seasons have missed out.

Both Kevin Mirallas and Steven Naismith have voiced concerns over their lack of game time this season – to ESPN and the Daily Mirror – and Martinez has not ruled out the potential for departures at Everton in the near future.

"With all the players, there has to be a real clarity on their roles in the club," he said. "A player has to feel ready to fight for their position and to add to the team.

"The competition for places is as good as it’s been and it’s normal. It’s important in January that every player gets clarity over their role."

Naismith was linked to Norwich City in the summer transfer window, by the Daily Mail, while Mirallas will have no shortage of suitors should he be made available.

The duo are both proven Premier League players, and their quality remains undoubted, despite their lack of chances this season.

If either of the pair do leave, Martinez will hope that their departure does not disrupt his Everton squad too much.

The Toffees have made an encouraging start to the 2015/16 campaign, and it will be imperative that they do not lose quality in January if they are to keep climbing up the Premier League table.

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