Everton suffered a 2-1 defeat to Burnley in the Premier League on Saturday.
Everton failed to win against Manchester City in the Premier League at the weekend.
The 22-year-old was hauled off at half-time during Everton's 3-0 win over Sunderland on Monday evening, sparking further questions about his recent form.
Manchester City striker Sergio Aguero will not feature against Manchester United in the Premier League next weekend.
Everton missed out on a couple of new signings in the final week of the transfer window.
Everton failed to win in the Premier League on Saturday.
Mark Warburton’s Glasgow Rangers will face Old Firm rivals Celtic at Ibrox in the Scottish Premiership on New Year’s Eve.
The young forward has completed a move to Everton from Coventry City.
Everton are still trying to replace Roberto Martinez.
Everton striker Romelu Lukaku recently suggested that he will leave in the summer transfer window.