The Mock Run with Kaitlyn Vincie: Dale Jr.'s Exploding Rear End

Kaitlyn Vincie and Nascarcasm tackle Dale Jr.'s Rear, Porta-Potties, and Six-Shooters. Get a lighter spin on all your NASCAR headlines every week on The Mock Run. April 10th, 2014.

NASCAR Craftsman Truck Series NASCAR Xfinity Series NASCAR Cup Series