Alberto Contador

This file photo taken on July 21, 2010 shows Spain's Alberto Contador during a training session on the second of the two rest days of the 2010 Tour de France cycling race around Lescar, near Pau, southwestern France. Three-time Tour de France winner Alberto Contador of Spain has announced on September 30, 2010 he has tested positive for clenbuterol, a banned substance. Contador, who won his third yellow jersey at the end of July's three-week epic, announced the news through his personal press officer but blamed the positive test on food contamination.'Alberto Contador is affected by a doping control at the last Tour de France on July 21, where the substance clenbuterol was found,' the message read.

This file photo taken on July 25, 2010 shows Tour de France 2010 winner Alberto Contador of Spain celebrating on the podium at the end of the 102.5 km and last stage of the 2010 Tour de France cycling race run between Longjumeau and Paris Champs-Elysees avenue. Three-time Tour de France winner Alberto Contador of Spain has announced he has tested positive for clenbuterol, a banned substance, on September 30, 2010.

This file photo taken on July 25, 2010 shows Tour de France winner Alberto Contador of Spain celebrating with his trophy on the podium at the end of the 102.5 km and last stage of the 2010 Tour de France cycling race run between Longjumeau and Paris Champs-Elysees avenue. Three-time Tour de France winner Alberto Contador of Spain has announced he has tested positive for clenbuterol, a banned substance, on September 30, 2010.

This file photo taken on July 25, 2010 shows Tour de France 2010 winner Alberto Contador of Spain smiling at the end of the 102.5 km and last stage of the 2010 Tour de France cycling race run between Longjumeau and Paris Champs-Elysees avenue. Three-time Tour de France winner Alberto Contador of Spain has announced he has tested positive for clenbuterol, a banned substance, on September 30, 2010.

This file photo taken on July 25, 2010 shows yellow jersey of overall leader Alberto Contador of Spain drinking some champagne as he rides in the 102.5 km and last stage of the 2010 Tour de France cycling race run between Longjumeau and Paris Champs-Elysees. Three-time Tour de France winner Alberto Contador of Spain has announced he has tested positive for clenbuterol, a banned substance, on September 30, 2010.

Tour de France winner Spanish Alberto Contador waves from a car as he rides through his home village of Pinto, near Madrid, on July 26, 2010, while acclaimed by hundreds of supporters. Alberto Contador is the new world number one, according to the rankings released by cycling's governing body the UCI, a day after the Spaniard's third Tour de France victory.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador is surrounded by media at the start of his press conference where he pleaded his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador listens to questions from the media during his press conference pleading his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador listens to questions from the media during his press conference pleading his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador is surrounded by media at the end of his press conference where he pleaded his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador is surrounded by media at the start of his press conference where he pleaded his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador grimaces his face as he answers questions from the media during his press conference pleading his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador stands in an elevator after his press conference where he pleaded his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador arrives for his press conference where he pleaded his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador smiles as he listens to questions from the media during his press conference pleading his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador is surrounded by media at the start of his press conference where he pleaded his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador listens to questions from the media during his press conference pleading his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador listens to questions from the media during his press conference pleading his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

PINTO, SPAIN - SEPTEMBER 30: Alberto Contador answers questions from the media during his press conference pleading his innocence after being tested positive for clenbuterol, a fat-burning and muscle-building drug, during this year's Tour de France, on September 30, 2010 in Pinto, Spain.

Spain's Alberto Contador rides past his team bus before participating in a training session on the first of the two rest days of the 2010 Tour de France cycling race in Morzine ski resort on July 12, 2010.

Spain's Alberto Contador celebrates his Yellow jersey of Overall leader on the podium in the 187 km and 15th stage of the 2010 Tour de France cycling race run between Pamiers and Bagneres-de-Luchon on July 19, 2010.

Three-time Tour de France champion Alberto Contador (R) takes a seat as he arrives on September 30, 2010 to give a press conference in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador (2ndR) arrives on September 30, 2010 to give a press conference in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador reacts as he gives a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador leaves in a lift a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador leaves in a lift a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador grimaces as he gives a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador grimaces as he gives a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador looks on during a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador gestures during a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador grimaces during a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador reacts as he gives a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Yellow jersey of Overall leader, Spain's Alberto Contador (C) rides with fans during a training session on the second of the two rest days of the 2010 Tour de France cycling race on July 20, 2010 around Lescar, near Pau, southwestern France.

Yellow jersey of overall leader, Spain's Alberto Contador sprays photographs with a water gun during the 102,5 km and last stage of the 2010 Tour de France cycling race run between Longjumeau and Paris Champs-Elysees. Radioshack riders had to remove their Livestrong tee-shirts to put official ones for not the team to be disqualified from the race.

Three-time Tour de France champion Alberto Contador looks on upon his arrival on September 30, 2010 to give a press conference in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador (R) looks on as he arrives on September 30, 2010 to give a press conference in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador grimaces during a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador leaves in a lift a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador touches his face as he gives a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Head of the Tour de France cycling race Christian Prudhomme delivers a speech during the presentation of the route of the 2011 race on October 19, 2010. Tour de France organisers unveiled a climb-heavy 98th edition of the world's biggest bike race in 2011 as defending champion Alberto Contador's absence weighed heavily on the presentation.

Yellow jersey of Overall leader, Spain's Alberto Contador concentrates before competing in the 52 km individual time-trial and 19th stage of the 2010 Tour de France cycling race run between Bordeaux and Pauillac, southwestern France, on July 24, 2010.

Three-time Tour de France champion Alberto Contador (R) arrives on September 30, 2010 to give a press conference in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador (R) arrives on September 30, 2010 to give a press conference in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador (R) takes a seat as he arrives on September 30, 2010 to give a press conference in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador reacts as he gives a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador grimaces as he gives a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador leaves a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Three-time Tour de France champion Alberto Contador (L) gestures during a press conference on September 30, 2010 in Pinto, as he was suspended today after failing a dope test, in the latest drug scandal to hit cycling's most prestigious event. The cycling superstar, who won his third yellow jersey at the end of July's three-week epic, announced that he had tested positive for clenbuterol, a banned substance, but blamed it on food contamination.

Director of the Tour de France cycling race Christian Prudhomme delivers a speech during the presentation of the route of the 2011 race on October 19, 2010. Tour de France organisers unveiled a climb-heavy 98th edition of the world's biggest bike race in 2011 as defending champion Alberto Contador's absence weighed heavily on the presentation.

Luxemburg's rider Frank Schleck (L) Norvegian rider Thor Hushovdt (C) and British rider Mark Cavendish listen to a speech during the presentation of the route of the 2011 race on October 19, 2010. Tour de France organisers unveiled a climb-heavy 98th edition of the world's biggest bike race in 2011 as defending champion Alberto Contador's absence weighed heavily on the presentation.