Liverpool, West Ham score comeback wins in Europa League, Brighton loses in European debut

Brighton and Hove Albion's Joao Pedro scores their side's first goal of the game during the UEFA Europa League Group B match Thursday at The AMEX, Brighton and Hove, England. (Steven Paston/PA via AP)

AEK Athens' Djibril Sidibe, not pictured, beats Brighton and Hove Albion goalkeeper Jason Steele to score the opening goal during the UEFA Europa League Group B match Thursday at The AMEX, Brighton and Hove, England. (Steven Paston/PA via AP)

Liverpool marked its return to the Europa League on Thursday with another come-from-behind 3-1 victory, this time over Austrian club LASK in Linz.