Armstrong admits "tension" within Astana

Lance Armstrong follows Contador on stage after the team won the TTT.

Lance Armstrong follows Contador on stage after the team won the TTT. (Image credit: Bettini Photo)

For the first time, Lance Armstrong publicly admitted that there is a certain degree of rivalry between him and teammate Alberto Contador. Speaking in the sports show Stade 2 on French television on Sunday evening, Armstrong responded candidly when asked about his relationship with the Spanish three-time Grand Tour winner.