Germany international Kai Havertz netted a brace against his former club as Premier League leaders Arsenal hammered Chelsea 5-0 at the Emirates.
Gunners attacker Havertz, who completed a £65million move from Stamford Bridge last summer, converted two of four second-half goals on a joyous evening at a jubilant Emirates Stadium.
Right-back Ben White also claimed a brace for ’s title-chasing side, adding to Leandro Trossard’s early finish, as the Blues’ recent resurgence floundered in an embarrassing manner in the absence of key player Cole Palmer.
Victory moved Arsenal three points ahead of second-placed Liverpool having now played one game more, while reigning champions Manchester City sit four points behind with two matches in hand.
Outclassed Chelsea squandered a series of chances, with Nicolas Jackson particularly culpable, as they suffered a first defeat in nine top-flight games and missed the chance to climb to seventh.
Mauricio Pochettino’s men made the short trip across the capital on the back of a painful FA Cup semi-final defeat to Pep Guardiola’s City and without 20-goal top scorer Palmer due to illness.
Blues academy graduate Alfie Gilchrist was handed a first Premier League start as part of four changes, while Arsenal recalled Takehiro Tomiyasu and Thomas Partey.
Arsenal punish Chelsea after making a bright start
, who suffered a damaging 2-0 loss to Aston Villa in their last home game before exiting the Champions League at the hands of Bayern Munich, began brightly and led inside four minutes.
Declan Rice was afforded time and space to advance deep into opposition territory before slipping in Trossard to escape Gilchrist and fire a low left-footed shot from a tight angle which was allowed to squirm home by Blues goalkeeper Djordje Petrovic.
Chelsea’s evening could quickly have gone downhill but Jackson avoided a potential eighth-minute red card after catching Tomiyasu’s ankle with his studs.
Arsenal, whose players wore black armbands following the death last week of former club chairman Sir Chips Keswick at the age of 84, continued to be the dominant force.
Ex-Chelsea academy player Rice fired narrowly over from the edge of the box following a delightful pirouette, before the visitors almost snatched a fortuitous leveller.
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After Jackson outpaced William Saliba down the left wing, his attempted cut back deflected off Gabriel and struck the outside of the near post.
Petrovic then atoned for his costly early error by denying Havertz and, moments later, pulling off a fine reaction save to repel Trossard’s effort which took a hefty touch off Axel Disasi.
A pulsating, end-to-end encounter showed little sign of relenting.
Gunners defender White produced a crucial block to deny Marc Cucurella after good work from Noni Madueke, before Enzo Fernandez side-footed the rebound just wide.
Jackson inexplicably handled a golden headed chance from Conor Gallagher’s cross as a breathless opening period finished with a flurry of yellow cards, including one for Arteta.
The Arsenal boss would have been keen for his side to kill off the contest as quickly as possible – and duly got his wish.
Petrovic saved well from Rice and Havertz before the hosts secured breathing space seven minutes after the restart.
Following a short corner between Bukayo Saka and Martin Odegaard, Rice was again denied – this time by the leg of Gallagher – only for the unmarked White to sweep in the loose ball.
The result was put beyond doubt just five minutes later, with the identity of the goalscorer particularly painful for the travelling fans.
