Frank Lampard scored twice as Chelsea won 2-0 away to Bolton to clinch the English league title for only the second time in the club's history and the first time since 1955, DPA reported. Club top scorer Lampard struck on 60 and 76 minutes to take his tally to 18 goals in all competitions this season to move Jose Mourinho's side onto 88 points with three games remaining, 14 clear of defending champions Arsenal, who have a game in hand.