Stoke City defender Robert Huth is likely to need surgery on a knee injury and could be out of action for several weeks.
Roberto Martinez insists he does not judge on-loan striker Romelu Lukaku purely on goals.
Everton left-back Leighton Baines will miss the visit of Stoke after being ruled out for up to six weeks with a broken toe.
Everton have reported no fresh injury concerns ahead of their derby clash with Liverpool following the international break.
All the team news ahead of the weekend's Premier League fixtures, with Eden Hazard returning from midweek Chelsea exile.
Everton manager Roberto Martinez is confident in the strength and depth of his attacking options despite losing striker Arouna Kone to a long-term knee injury.
A knee operation has ruled out Everton striker Arouna Kone for much of the rest of the season, but manager Roberto Martinez has no new injury concerns.
Defender Johnny Heitinga is a doubt for Everton's Barclays Premier League clash with Aston Villa on Saturday.
Roberto Martinez has praised the impact loan signing Gareth Barry has had on the Everton dressing room as the midfielder prepares to return to former club Aston
Roberto Martinez has praised the impact loan signing Gareth Barry has had on the Everton dressing room as the midfielder prepares to return to Aston Villa.
Substitute Steven Pienaar produced a stunning comeback after six weeks on the sidelines as he scored with his first touch to get Everton back to winning ways.
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