Pellegrini is yet to claim his first top-flight points as Hammers boss as the result at the Emirates made it three losses on the spin.
Aaron Ramsey is expected to line-up in place of the 29-year old Germany worldwide.
"We had a tough start and are trying to improve every game".
Emery prefers to play two holding midfielders in his formation and with Ramsey an attacking box-to-box type, it seems the Welshman is competing with Mesut Ozil for the number 10 position this season.
Senator John McCain dies from brain cancer at 81
Bush issued a statement hailing McCain as a "a man of deep conviction and a patriot of the highest order". Months before his death, McCain reportedly asked his son-in-law Ben Domenech to "take care of Meghan".
Category 4 hurricane with 130 miles per hour winds nearing Hawaii
Meteorologist Chevy Chevalier said Lane may drop to a Category 3 by Thursday afternoon but that would still be a major hurricane. Currently, Lane is sustaining winds of over 130 miles per hour , and the storm's center could possibly make landfall on Friday.
BC wildfire smoke prompts air quality warnings in Western Canada
Officials say air quality over the area is poor because of smoke from wildfires and terrain that traps smoke in valleys. On Sunday afternoon, several monitors in north-central Washington state showed air quality at hazardous levels.
Pellegrini is still bedding into a new job and £100m worth of new signings to integrate, West Ham will grow in chemistry and performance as their talent find their feet. After a new coach in Manuel Pellegrini and a host of big players signed in the summer, West Ham fans have already started to vent their anger with the club hierarchy.
Nacho Monreal found a swift response and West Ham felt Arnautovic's absence after injury robbed them of the striker with an hour played. At the moment, I think we need to have the control with the possession, with the positioning on the pitch, with more players inside.
As well as impressing his manager, Guendouzi believes Arsenal can impress everyone by winning the Premier League this season.
West Ham are only behind Liverpool and Manchester United in winning away games at Arsenal, with five wins.
Fellow forward Alexandre Lacazette, who came on as a substitute against Manchester City and Chelsea, is also yet to score. But it would appear that Unai Emery has ruled out the possibility for the time being as the Spaniard said in the pre-match press conference: "At the moment, no". For the second half we were speaking in the dressing room (of the need) to help more inside with two midfielders.