Brentford vs. Chelsea player ratings as Bees sting Xabi Alonso's side

Chelsea were condemned to a 3-0 defeat by a rampant Brentford side in Friday night's west London derby.

It was a tight affair in the first half with the score goalless at the break. But, Brentford came alive in the second half and took the lead through Jaidon Anthony near the hour mark before Igor Thiago doubled their lead towards the end. Fábio Carvalho scored in injury time to make it a night to remember for Bees fans at the GTech Community Stadium.

The result leaves Chelsea winless in their last three Premier League matches. Here's how they fared against Brentford.

Manager rating:

Xabi Alonso, 5 -- The Spaniard now faces the first crisis of his Chelsea career. The same issue regarding a leaky defence rared its head and the backline looked painfully disorganised. The Blues are yet to keep a clean sheet this season and Anthony's goal was the fourth they have conceded from a set piece already. A terrible performance for him and Chelsea to carry into the international break.

Player ratings (1-10, 10 = best, 5 = average)

GK Emiliano Martínez, 6 -- Couldn't have done much about the goals. Yet to command confidence in goal in the way he did at Aston Villa.

CB Wesley Fofana, 6 -- Coped well with Kevin Schade's pace. Not always effective when bringing the ball out from the back. Never a good look when a centre-back is substituted. 

CB Maxence Lacroix, 4 -- Caught ball watching for the first Brentford goal and played Mikkel Damsgaard onside for the second.

CB Levi Colwill, 6 -- Chelsea need him to step up as a leader of this defence. Probably the pick of Chelsea's defenders but that isn't saying much. 

RWB Pedro Neto, 6 -- A player still yet to fully understand his new role as a wing back. Was ineffective in attack and defence.

CM Jordan Henderson, 7 -- Made his Chelsea debut in challenging circumstances, at the home of his former side. Looked sharp and put in a couple of good crosses.

CM Valentín Barco, 6 -- Despite being booed by home supporters from the start, didn't shy away from the ball. His passing was bold and he was good at making himself a nuisance

LWB Pep Chavarría, 7 -- Arguably Chelsea's best player on the night. His movement was sharp and he put in some good crosses.

LW Cole Palmer, 6 -- Impressed in flashes and had a few nice touches. But, was contained effectively and his passing channels were closed off.

RW Morgan Rogers, 5 -- Remained on the fringes of the game and struggled to find any attacking rhythm.

ST Danny Welbeck, 5 -- Completely anonymous up front on his first league start for the club. João Pedro's absence was severely felt.

Substitutes (Players introduced after 70 minutes = no rating)

Josh Acheampong, (N/A) -- Came on for Fofana and struggled to shore up the backline.

Geovany Quenda, (N/A) -- Tried to inject some urgency and had some ambitious attempts on goal. 

Estêvão (N/A) -- Came on in the 87th minute and didn't have much time to create any impact. 

Mahdi Nicoll-Jazuli -- The 16-year-old made his Chelsea debut after coming on for Barco.