NASCAR Driver Parker Kligerman Goes Over The NBC Sports Series, "Proving Grounds"

"Proving Grounds," a reality series featuring a fast-paced immersion into auto racing and testing has returned for season two. The hit show is hosted by NASCAR driver and NBC Sports analyst Parker Kligerman and automotive journalist Sam Smith, and features Sports Car Champion driver Leh Keen. Kligerman, Smith and Keen gauge speed, performance and fun across 20 different vehicles.