'Typical,' was the word on the lips of West Ham fans. Make Jose Mourinho's Manchester United look like a bunch of schoolboys one week, lose to Brighton the next.
Only in the second half at the Amex Stadium did the visitors finally show some of what they inflicted on United in their last outing. By then, though, they were 1-0 down and it was too late.
Glenn Murray's goal was the difference, with the Seagulls striker exposing what can happen when Manuel Pellegrini's passing and possession-based style of play goes wrong.
MATCH FACTS, PLAYER RATINGS, LEAGUE TABLE AND MATCH ZONE
Brighton: Ryan, Saltor, Duffy, Dunk, Bong, Knockaert, Propper (Bissouma 80), Kayal, March (Locadia 85), Jahanbakhsh (Izquierdo 70), Murray.