Diego Poyet is determined to establish himself in Slaven Bilic's West Ham side this season and avoid another loan spell.
Sunderland have completed the signing of defender Adam Matthews from Celtic for a fee of £2m.
Sheffield Wednesday have secured the services of Rafael Floro on a one-year deal following a successful trial period with the club.
The 19-year-old left-back has impressed during the Owls' pre-season and has now been rewarded with a contract at Hillsborough.
Floro has represented Portugal at Under-18 level.