Shaffer Stuns Schatz

Shaffer Stuns Schatz

Tim Shaffer (83) leads Donny Schatz late in the 2010 running of the Knoxville Nationals at Knoxville (Iowa) Raceway. (NSSN Archives Photo)

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Tim Shaffer (83) leads Donny Schatz late in the 2010 running of the Knoxville Nationals at Knoxville (Iowa) Raceway. (NSSN Archives Photo)

Tim Shaffer (83) leads Donny Schatz...