Said Benrahma had opened the scoring for West Ham with a 62nd-minute penalty kick in Prague’s Eden Arena.
Browsing: Said Benrahma
The Premier League side are now in a strong position to reach a first European final since 1976 as they head to the AZ Stadium in Alkmaar for the return next Thursday.
David Moyes’s men enter the contest on the back of a 2-0 Europa League win over Rapid Vienna, while the Bees held Liverpool to a memorable 3-3 draw on home soil.
Club captain Noble, West Ham’s Mr Reliable from the spot, was sent on by manager David Moyes to take the penalty after Luke Shaw handled in the area.
The 28-year-old midfielder has fallen down the pecking order at Old Trafford and is yet to make a Premier League appearance this campaign.