Sprinter second in standings but tied on time with Gerdemann.
Tom Boonen (Team Quick Step) sprints to win; Linus Gerdemann (Team Milram) keeps overall race lead.
Alberto Contador (Team Astana) leads Ajejandro Valverde (Team Caisse d'Epargne) by 24 seconds in the overall standings.
Alberto Contador (Team Astana) climbs to stage 4 win and takes overall race lead.
German veteran grabs overall lead at 2010 Paris-Nice.
Team Milram captain Linus Gerdemann has won the opening stage of the 2010 Tirreno-Adriatico (March 10-16).