West Ham will sign another midfielder before transfer window closes

David Moyes has said West Ham are set to sign Inter Milan midfielder Joao Mario on Friday

West Ham will sign another midfielder before the January transfer window closes, according to Sky sources.

Two sources have told Sky Sports News that the Hammers have had a £15m bid for Tom Cairney rejected by Fulham, but this has not been confirmed by the clubs.

A selection of Tom Cairney's best goals for Fulham amid speculation that West Brom are interested in the midfielder A selection of Tom Cairney's best goals for Fulham amid speculation that West Brom are interested in the midfielder

West Ham are also in talks to sign Anderlecht midfielder Leander Dendoncker.

Anderlecht midfielder Leander Dendoncker can also play at centre-back

The Belgian club value the 22-year-old, who has also been watched by Everton and Manchester United, at about £25m, however West Ham believe he is worth less than £20m.

Newcastle's Jonjo Shelvey is another player on West Ham's list of midfield targets, he has made 18 Premier League appearances this term, scoring one goal.

West Ham will announce the signing of Joao Mario on loan until the end of the season on Friday. Manager David Moyes revealed the Inter Milan midfielder underwent a medical on Thursday ahead of the move.

David Moyes confirmed Joao Mario is undergoing a medical at West Ham ahead of an initial loan move David Moyes confirmed Joao Mario is undergoing a medical at West Ham ahead of an initial loan move

The Portugal international will be unavailable for West Ham's FA Cup fourth-round tie against League One side Wigan on Saturday, but Sky sources understand he could sign in time to make his debut against Crystal Palace on Tuesday.