LONDON, March 20( Xinhua)--Manchester City face an FA Cup semifinal against Liverpool after both sides won their quarterfinals on Sunday. City won 4-1 away to Southampton in an entertaining match that was in the balance until just after the hour mark. Raheem Sterling put City ahead after Kevin de Bruyne's cross wasn't dealt with in the 12th minute.... It could have been 2-0 when Ilkay Gundogan hit the post, but Southampton recovered after a period of City dominance and leveled in first-half inj