MIAMI, FL - Nov 14: 48 crew chief Chad Knaus at the Nascar Sprin

MIAMI, FL - Nov 14: 48 crew chief Chad Knaus at the Nascar Sprint Cup Ford Ecoboost 400 practice at Miami Speedway in Homestead, FL on Nov 14, 2014
MIAMI, FL - Nov 14: 48 crew chief Chad Knaus at the Nascar Sprin