After a chaotic win in the Black Country, West Ham now head to Bayer Leverkusen to face the Bundesliga’s finest.
David Moyes’ side survived a controversial disallowed goal by Wolves captain Max Kilman to claim victory ahead of Thursday’s Europa League quarter-final first leg.
Xabi Alonso’s unbeaten league leaders won 1-0 at Union Berlin on Saturday, a ninth successive victory stretching their lead over Bayern Munich to 16 points with six games remaining.
The Hammers were thumped 4-0 by Leverkusen at the BayArena in a pre-season friendly, but goalkeeper Lukasz Fabianski said: ‘That was good experience because we now know what to expect.