The Astana team is hiring anti-doping expert Don Catlin to supervise a transparent biological monitoring of Armstrong that will be made available online throughout his training and racing.

Bruyneel also said Armstrong may have to accept a supporting role to Alberto Contador in next year's Tour de France. Spain's Contador won the Tour de France, Italy's Giro and Spain's Vuelta in little over a year. "At the end of the day, the strongest rider will be supported, regardless of that person's name or what they've accomplished in the past," Bruyneel said.

Meanwhile, Tour Down Under officials expect to know by today whether Armstrong will be able to start his comeback to road cycling in Adelaide in January. Armstrong wants to return to elite racing in the six-day tour in South Australia state, although technically, due to drug testing regulations, he's not eligible to return until February 1, 2009.

The race in Australia runs from Jan. 20-25.

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