The Baggies striker was denied a deadline day move to Tottenham Hotspur.
Two ex-Leeds managers are in the running for the Doncaster job, according to odds.
The Belgium manager was disappointed by the display from the Chelsea star and Reds striker in the 1-0 victory.
The resurgent winger has bagged five goals in his past two games for Tim Sherwood's side.
Statistically, who have been West Ham's top performers so far this season?
Tyler Walker looks set for a breakthrough season with Nottingham Forest this year.
The 22-year-old has had a slow start to his Premier League campaign.
The ex-West Ham United midfielder is currently training with the League Two side.
The former Leeds youngster believes the club are much more stable nowadays.
The Tottenham Hotspur midfielder is not afraid to admit when he has played badly.
Alberto Moreno faced a tough afternoon against Manchester United on Sunday.
The ex-Leeds striker is regretful of the way he left the Yorkshire club but admits he could not turn the Cottagers down.
The Newcastle United boss told his players they weren't good enough following their 4-1 defeat to the Gunners.