Holm feeling good about Greipel's chances

André Greipel (Columbia-HTC) leads the points competition.

André Greipel (Columbia-HTC) leads the points competition. (Image credit: Lavuelta.com)

Columbia-HTC sprinter Andre Greipel will start tomorrow’s thirteenth stage with a 24 point advantage over closest rival Tom Boonen (Quick Step) in the green jersey contest.