In other Premier League games Saturday , Liverpool defeated Portsmouth , 4-1 ; West Ham beat Middlesbrough , 2-1 ; Fulham tied Wigan , 1-1 on a goal by the American Clint Dempsey ; Reading defeated Sunderland , 2-1 , behind the American goalkeeper Marcus Hahnemann ; Manchester City and Aston Villa played to a 1-1 draw ; and Bolton beat Birmingham , 3-0 .