Eddie Nketiah scored his first Premier Leaguedouble as Arsenal got their top-four hopes back on track with an entertaining 4-2 victory over Chelsea.Mikel Artetas faith in Nketiah was rewarded as the 22-year-old ended a wait for a league goal that stretched back to April 2021 with the opener at Stamford Bridge on Wednesday.Timo Werner scored in consecutive Premier League games for just the second time in his Chelsea career to restore parity, before Emile Smith Rowe put Arsenal back in front.Cesar Azpilicueta A.J. Moore Jr. Jersey got another equaliser for Chelsea, but he was at fault for Nketiahs second and a stoppage-time penalty from Bukayo Saka as Arsenal ended run of three straight defeats and wentlevel on points with fourth-placed Tottenham. Andreas Christensens bungled back pa s was pounced upon by Nketiah and the attacker slotted a cool finish past Edouard Mendy to give Arsenal the lead in the 13th minute.Chelsea Denico Autry Jersey hit back four minutes later when Ruben Loftus-Cheek won po se sion high up the pitch and Werner unleashed a shot that deflected in off Granit Xhaka.Arsenal narrowly avoided gifting Chelsea a chance to take the lead and transitioned into a rapid counter-attack that finished with Smith Rowe placing a Ola Adeniyi Jersey curling shot into the bottom-right corner.The Blues drew level before the break, though, with Mason Mounts excellent delivery steered home by Azpilicueta.Christensen made way for Thiago Silva at half-time, but Arsenal were back in front 13 minutes after the restart. Azpilicueta gave the ball away and Nketiah madethe most of a couple of fortunate ricochets to double his tally.Azpilicueta then hauled Saka to ground in the box and the England winger fired the spot-kick home in the 92nd minute asChelsea succumbed to a defeat that left them in danger of being dragged into an unexpected top-four battle.What does it mean? Shoddy defending costs ChelseaChelsea have lost three straight home games in all competitions for the first time in almost 30 years, and some sloppy errors brought on their latest defeat.They gifted Nketiah a pair of goals and were caught short when their high pre s was beaten ahead of Jeffery Simmons Jersey Smith Rowes strike.The Gunners were by no means in good form at the back, but some crucial blocks from Gabriel helped them secure a huge three points.Sublime SakaMarcos Alonso struggled to cope withSakas dribbling ability as he provedextremely dangerous when Arsenal counter-attacked. He capped an all-action display with a deserved goal at the death.Lacklustre LukakuThomas Tuchel handed Romelu Lukaku his Bradley McDougald Jersey first start in over a month, but the Belgian failed to impre s. His 22 touches were the fewest of any Chelsea starter and he mi sed the target with his only attempt on goal.Whats next?Arsenal entertain Manchester United in a game that could be key to their top-four hopes on Saturday, while Chelsea have another London derby against West Ham the following day.