Autoweek Daily Racing Report: Big day for Muscle Milk, Viper at ALMS race at Road America

NASCAR

INDYCAR

FORMULA ONE

ALMS

GRAND-AM

NHRA

RALLY

ALMS Luhr, Graf continue ALMS dominance for Muscle Milk; Viper wins in GT at Road America MOTORSPORTS Tyler Clem debuts in an 805-hp sprint car -- at age 11 SPRINT CUP Kyle Busch survives late restarts to win NASCAR Cup race at Watkins Glen SPRINT CUP Jeff Gordon's NASCAR Chase chances take a hit at Watkins Glen MOTORSPORTS Short-Track Roundup: Donny Schatz continues Knoxville Nationals dominance F1 Mercedes F1 driver Nico Rosberg says pulling the plug on 2013 a tough call ALMS United SportsCar Racing will face challenges in first year

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