Chelsea’s recent bad forms have extended in the Premier League on Monday night as they were trounced 4-1 by Watford at Vicarage Road.
Tiemoue Bakayoko was sent off after receiving his second yellow card for a foul on Richarlison.
Super Eagles forward, Victor Moses, played 90 minutes for Chelsea but could not prevent the hammering.
Former Arsenal striker Olivier Giroud made his debut for Chelsea after replacing Pedro Rodriguez who went off injured.
Chelsea are fourth on 50 points while Watford are 11th on 30 points in the league table.
Willian had Chelsea’s first big chance in the 12th minute but hit effort just over the bar after Moses’ cross rebounded off a Watford defender.
Watford almost made Chelsea pay for a careless play in defence but Richarlison’s goal bound shot was well blocked by Gary Cahill.
In the 26th minute, a corner from Gerard Deulofeu was almost turned into his own net by Tiemoue Bakayoko.
Chelsea were reduced to 10 men as Bakayoko was sent off after receiving his second yellow card for a late foul on Richarlison.
Watford went close to making their one man advantage count as Richarlison tested Thibaut Courtois from range but the Chelsea keeper made a comfortable save.
In the 42nd minute, Watford went 1-0 up through Deeney who converted from the penalty spot after Courtois fouled Deulofeu.
On the stroke of halftime, Etiene Capoue hit a low shot close to the Chelsea area but Cesar Azpilicuerta blocked his effort away for a corner.
Deep into added time, Chelsea had a chance to draw level only for Pedro Rodriguez blazing his shot over the bar.
The game was halted for a few minutes due to head collision between Moses and Marvin Zeegelaar.
Deulofeu should have doubled Watford lead on 59 minutes but saw his curler go inches wide.
A minute later Richarlison also had a chance following a poor pass by Courtois but the Brazilian’s low shot just missed the target.
In the 66th minute, Courtois made a superb save as he dived full stretch to punch away Abdoulaye Doucoure’s left-footed strike.
Courtois made another good save in the 77th minute as he held Jose Holebas’ long range strike.
With 10 minutes remaining Chelsea had a chance to equalise only for Orestiz Karnezis.
In the 82nd minute Chelsea equalised thanks to Hazard who curled in a brilliant strike into the bottom left corner to make it 1-1.
Watford took the lead again on 84 minutes through Janmaat who danced into the box made a quick interchange of pass with Deulofeu before placing the ball past Courtois.
Things went from bad to worse for Chelsea on 88 minutes as Deulofeu ran towards goal, before slotting into the back of the net with his left-foot.