Everton will make another attempt to sign Gylfi Sigurdsson, the Swansea City midfielder, at the end of the season. Ronald Koeman, Everton’s manager, is an admirer of the Icelander but failed to persuade him to leave south Wales last summer.

Sigurdsson, 27, would add to Everton’s attack at a time when Romelu Lukaku and Ross Barkley are involved in contract stand-offs.

Swansea are in the Premier League’s bottom three and Sigurdsson is unlikely to stay if they are relegated, but Everton will move for him whether they remain in the top flight or not.

Koeman is also considering bids for Michael Keane, the Burnley centre back, and Jordan Pickford, the Sunderland goalkeeper. Steve Walsh, Everton’s director of football, is also interested in Willian José, the