Everton boss Roberto Martinez admits he may withdraw Ross Barkley from the front line.
The 19-year-old midfielder has started all of sixth-placed Everton's nine Premier League games in a season that has seen him claim an England place.
Martinez said: "Football will make that decision. It is a great opportunity for us to be as strong as we can be as a squad.
"I am not going to do something unless I see clear signs someone needs to be rested.
"When you are young you can cope as long as everything is done in the right way."
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