While Manuel Pellegrini could believe his luck, unai Emery breathed a sigh of relief. Following three games Arsenal's post-Arsène Wenger age is finally up and running thanks to some comical own goal from Issa Diop 20 minutes from time following West Ham -- motivated by the outstanding Felipe Anderson -- missed a collection of opportunities which left their new supervisor shaking his head in the last whistle.Arsenal missed Mesut Özil through sickness and this comeback following the visitors had been given the result by Marko Arnautovic was the fillip for Emery after a couple weeks accountable for Özil's lack allowed Aaron Ramsey to reunite after being left outside for the conquer from Chelsea last Saturday, amid ongoing doubts if the Wales midfielder will sign a new contract in the Emirates. This cloud hung over Jack Wilshere to nearly all his season in his choice and north London to join West Ham was predicated on the belief that he will be a starter. Three appearances would appear to have borne out that so far he's worked in a lost cause."I am quite dissatisfied with the outcome but quite happy with the operation," said Pellegrini. Wilshere was among seven summer arrivals after launching beats by Bournemouth and Liverpool, at a group that comprised four changes. Although Wilshere has been given a rude awakening in a young battle, Carlos Sánchez -- that took just 150 minutes to register his filthy -- along with Wilshere's inclusion added steel at the center.

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A movement in the minute ended taking the direct following Lukasz Fabianski saved from the drive after work from Héctor Bellerín of Henrikh Mkhitaryan, however Ramsey's header was ruled.However, West Ham looked dangerous on the break and went straight afterwards for Arnautovic to hit the side netting from the pass of Robert Snodgrass with Anderson flourishing within his role. After being put up by Anderson, drilling the ball home from the edge of the playground with a shooter, the Austrian made no mistake 13 minutes.Arsenal were level and responded. Fabianksi palmed the Mkhitaryan played his cross and Bellerín into the path of Monreal, who tapped at home.However when a of Arsenal beneath Wenger had been their naivety the previous 15 minutes of their half revealed Emery has lots to do. As it appeared easier to score, while Petr Cech about the stroke of half-time denyed Snodgrass michail Antonio fluffed his lines.The debut of Alexandre Lacazette to get Alex Iwobi following the fracture revealed Emery knew things needed to change, and attempts from the replacement within the first ten minutes along with Shkodran Mustafi saves from Fabianksi.West Ham jeopardized.

Arnautovic, who siphoned away minutes passed up a golden chance after a second ball from Anderson to score his second but failed to muster the power.Pellegrini threw on yet another old boy, Javier Hernández and in Lucas Pérez when the Mexican curled an effort just wide after being given acres of distance from the Arsenal defence and it came close to paying off.Cech handed West Ham the lead after he appeared relieved to see that the ball drop to clean and spilled Anderson's shot.It had been. Diop -- a France international signed at the summer for a 22m from Toulouse -- ended up turning the ball after great work from Lacazette, and strangely booted the ball and not much."We're pleased with the initial 3 points -- we had a win but it's clear we will need to enhance," said Emery. "We conceded too many opportunities and West Ham revealed they're a fantastic team. Danny Welbeck, another substitute, rounded things off after work from Bellerín to provide an excess sheen to the scoreline. It wasn't pretty. But one needs to start someplace.