Alvaro Morata, on as a second-half substitute for Olivier Giroud, missed Chelsea's best opportunity when Lukasz Fabianski parried away his dink from close range, while Yarmolenko headed a gilt-edged chance wide at the other end.
'We have to work and then, maybe, in one year we will be at the same level as Liverpool'.
The 27-year-old playmaker is expected to return against the Hammers and has been a key figure in Sarri enjoying an impressive start to his spell as Chelsea boss.
The luckless Antonio was replaced by Lucas Perez for the last 25 minutes and Chelsea were forced into a change shortly after as Luiz limped off, allowing wantaway Chelsea defender Gary Cahill to make his first appearance since last season's FA Cup final. He remains without a Premier League goal since the start of May. In the last two or three matches, we have done very well.
They have a hard match ahead on 29 September, hosting league leaders Liverpool. I don't know why they lost their first four matches in the league, but they are really a very good team.
When Petr Cech was left out of the Arsenal side for their midweek Europa League win against Vorskla Poltava, some saw the presence of Bernd Leno in goal as proof that the former Chelsea star was set for a long spell on the sidelines. Still West Ham deserve great credit for their resolute defensive display and how hard they worked off the ball - and they had the chances to win it.
How did Christine Ford not remember her "lifelong friend" in her letter?
It will not include other witnesses nor has it been decided whether staff attorneys or senators will ask the questions. Meanwhile, Republicans viewed Ms Ford's requests as a way to delay voting on President Donald Trump's nominee.
Heading into this weekend as the Premier League's top scorer, Eden Hazard's performance was particularly disappointing. He failed to inspire a goal, however.
"We were working hard with every ball in defence and attack - maybe I'd prefer to have more possession".
Sarri's frustrating afternoon was made worse by the loss of Antonio Rudiger to injury in the second half.
The result means Liverpool are the only team remaining with a 100 per cent record in the Premier League ahead of their Carabao Cup clash with Chelsea on Wednesday night.
"[Liverpool] have played yesterday and have one day's more rest than us", he said.
"I'm not trying to be naughty with him or Chelsea, I'm not saying any of this as a negative".