Hamlin climbed out through a roof hatch and Vickers slid in through the window quickly enough to keep the No. 11 on the lead lap.

NPR: David Ragan Steals Last-Lap Victory At Talladega

The two practiced the driver exchange on Friday, with Hamlin getting out of the car through a roof hatch and Vickers coming in through a window.

NPR: Edwards Gets Pole After Rain Washes Out Qualifying