"We are disappointed he played the 90 minutes (in both), and has ended up getting an injury yesterday in training".
The frustration this season is compounded because of a feeling Pulis is working with the best squad West Brom have assembled in the Premier League era, after more than £40m was spent in the summer to bring in Burke, Jay Rodriguez, Kieran Gibbs and Gareth Barry among others as well as Grzegorz Krychowiak on loan.
He headed home with the aid of a fumble from goalkeeper Thibaut Courtois, whose blushes were spared by an offside flag.
However, Pulis has delivered just two wins from his last 20 top-flight fixtures, and the Welshman has acknowledged that results must improve if he is to keep his job at The Hawthorns.
It was that pair who combined again just six minutes later.
23 GOAL CHELSEA - Fabregas fires the ball into Morata, whose glorious flick-on entices Foster to come out, but Hazard beats him to it and rounds the keeper ebfore finding the net.
ANTHONY DEVLIN GettyImages
With the dust somewhat settling the Baggies registered a chance of their own with Ahmed Hegazi heading wide, missing a rare opportunity for the hosts.
Chelsea quickly overcame their early wobble and went close through Tiemoue Bakayoko, before Morata made the breakthrough in the 17th minute.
Hegazi crudely dragged Morata to the ground and the hosts then left Alonso unmarked at the far post to turn in Fabregas's free-kick.
Chelsea cruised to a 3-0 half-time lead at the Hawthorns as the champions put the home side to the sword and heaped massive pressure on the home side's manager Tony Pulis.
There was no way back for Pulis's men and Chelsea wrapped up an impressive win with a fourth as Hazard collected a pass from Fabregas, turned inside and fired the ball in to the bottom corner midway through the second period.
Hazard's 62nd minute finish proved to be the final nail in the coffin, as Chelsea walked away with all three points and climbed up to second in the league table.
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