Horner, Busche provide options for RadioShack-Nissan in Colorado

While defending USA Pro Challenge champion Levi Leipheimer returns to Colorado in Omega Pharma-Quickstep kit, RadioShack-Nissan has fielded a squad in this year's edition which may yet again deliver the overall victor in Denver next Sunday. Figuring prominently on the roster are a pair of Americans who are each making their USA Pro Challenge debut and could be the wearer of the race's final yellow jersey: Chris Horner and Matthew Busche.

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Based in the southeastern United States, Peter produces race coverage for all disciplines, edits news and writes features. The New Jersey native has 30 years of road racing and cyclo-cross experience, starting in the early 1980s as a Junior in the days of toe clips and leather hairnets. Over the years he's had the good fortune to race throughout the United States and has competed in national championships for both road and 'cross in the Junior and Masters categories. The passion for cycling started young, as before he switched to the road Peter's mission in life was catching big air on his BMX bike.