Frank Lampard looks to kick-start his Everton reign by playing three at the back - as the new Blues boss makes five changes to the team for today's tie with Brentford.
January signing Vitalii Mykolenko has been recalled to the starting line-up after being left out of the squad for Duncan Ferguson's caretaker game in charge against Aston Villa.
Michael Keane has also been brought back into the side, with Yerry Mina dropping to the bench.
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Seamus Coleman returns as does Anthony Gordon.
Jordan Pickford remains in goal with Keane, Mason Holgate and Ben Godfrey looking set to form a back three in front of him,
Coleman and Mykolenko will be operating as wing-backs with Allan and Andre Gomes playing in the middle.
Gordon and Demarai Gray will play in support of Richarlison.
Everton: Pickford, Mykolenko, Keane, Holgate, Godfrey, Coleman; Allan, Gomes; Gordon, Gray, Richarlison
Everton subs: Begovic, Kenny, Patterson, Mina, Townsend, Iwobi, Tosun, Gbamin, Branthwaite