West Ham boss David Moyes says his "new boys on the block" dare not dream about the prospect of a Europa League semi-final with Spanish giants Barcelona.
The Hammers will meet Barca in the last four if the two clubs overcome Lyon and Eintracht Frankfurt respectively.
Moyes' side host Lyon at London Stadium in Thursday's quarter-final first leg.
"We're not looking any further than Lyon, they were in the Champions League semi-final two years ago. It would be crazy to look beyond this," he said.
Hammers boss Moyes added: "How could we dare? They are too big a club.