West Ham co-owner David Sullivan heaps pressure on boss Slaven Bilic by claiming he turned down the chance to sign top players for the Hammers

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West Ham co-owner David Sullivan has added to the pressure on Slaven Bilic by claiming the manager was not interested in the chance to sign Bayern Munich's Renato Sanches or Paris Saint-Germain's Grzegorz Krychowiak on deadline day.

Following a quiet final week of the transfer window in which Sullivan stayed in Marbella, the 68-year-old released a statement to supporters in which he put the club's inactivity down to the manager.

'Overall Slaven is happy with the business we have done during the summer transfer window,' said Sullivan on the club's website. 'We received the manager's wish-list before the window opened and we have managed to get the top four players on it.'

Slaven Bilic wasn't interested in signing Renato Sanches or Grzegorz Krychowiak this summer

Sanches joined Swansea on loan from Bayern and Krychowiak went to West Brom.

Though retaining support from many Hammers fans, Bilic will need to beat Huddersfield a week on Monday after losing his first three matches of the season.

Meanwhile, Rafa Benitez, who Sullivan came close to appointing as Hammers boss in 2015, would have to pay £5million in compensation if he walked away from Newcastle United following friction with owner Mike Ashley over the club's lack of transfer business.

The Spaniard, who has two years left on his contract, is therefore effectively tied to Newcastle until another club offers to pay the penalty.

West Ham co-owner David Sullivan has ramped up the pressure on Bilic with his comments