Defending Tour de France points champion Thor Hushovd (Crédit Agricole)was relegated from his fourth-place finish in Stage 4 of the Tour de France Wednesday after officials ruled him guilty of irregular sprinting.Hushovd, who wore the yellow jersey after winning the race prologue and again two days later, was ruled to have blocked Austrian sprinter Bernhard Eisel as both riders raced to the finish line in a bunch sprint.Robbie McEwen, of Davitamon, won the sprint well ahead of his rivals to claim his second stage of the race and tenth of his career, allowing him to reclaim the race's green jersey for the points competition.