Everton 's clash with Liverpool next week. The Toffees midfielder picked up the problem in training and underwent a scan which indicated he needed an operation.Walcott, 31, went under the knife on Monday and now faces four weeks on the sidelines.It is a big blow for Toffees boss Carlo Ancelotti as they prepare for the Premier League's restart against Liverpool on June 21.Defender Yerry Mina and midfielder Jean-Philippe Gbamin are also ruled out of the game through injuries picked up in training.Andre Gomes has not yet been ruled out but is facing a battle to be fit.The Portuguese midfielder picked up a knock in training last week and won't be able to resume sessions until just days before the derby.Everton fans have joined forces with.
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