The Hammers have lost five of their opening six games and conceded 11 goals in their last three fixtures.
Son Heung-min is playing well for Tottenham Hotspur at the moment.
HITC Sport understands that Sunderland, Arsenal and Tottenham Hotspur were all interested in the former Forest star.
Stoke City, Arsenal and Liverpool are considered to be in the running to sign Manchester United defender Phil Jones.
Villa travel to take on the Tykes at Oakwell on Tuesday night.
Chris Sutton has commented on West Ham's recent struggles.
Everton beat Sunderland 3-0 earlier this month in Premier League action.
Tottenham Hotspur are still unbeaten in Premier League action this season.
The 25-year-old is a big hit with Leeds United so far.
The ex-Magpies defender believes Haidara can return from injury stronger to cement his place as a regular starter.
The Owls slipped to an injury-time defeat at St Andrew’s and there were some contrasting individual displays on show.
Manchester United suffered their second successive Premier League defeat, losing 3-1 to Watford at Vicarage Road.
Bristol City scored a 94th minute equaliser to draw 1-1 at home to Derby County.