The 40-year-old raced as a professional for 20 years and will step away from the sport after this weekend's Clásica San Sebastián.
The trio joins many others who have succumbed to the heat and the climbing in the Spanish grand tour
One of Spain's most elegant cities, San Sebastián will be on display at the end of the 219km race this weekend
The Spaniard leads the race through nine stages, but says teammate Joaquim Rodriguez is still the team's GC leader
Valverde and Contador are poised to make a move this weekend in the Tour's first mountain test
Zubeldia his transition from Tour podium contender to helper as well as the merger between RadioShack and Leopard-Trek
Haimar Zubeldia says Andy Schleck will have a better chance to win the Tour de France riding under the guidance of Belgium director Johan
Chris Horner will be missing one of his most experienced and valued teammates in his defense at the Vuelta al País Vasco after Haimar
1. Wouter Poels (Ned), Vacansoleil, 3:15:39 2. David Moncoutie (Fra), Cofidis, Le Credit En Ligne, at 0:00 3. Thibaut Pinot (Fra),
Haimar Zubeldia hadn’t won a race in 10 years – now he’s back on the winner’s podium for the second time in a week.