AVONDALE, Ariz. --
Instead of having one car at a time go around the track in qualifying, NASCAR started using a knockout format to set the starting spots for the 43-car field.
At tracks less than 1.25 miles long, such as the one-mile Phoenix International Raceway oval, qualifying was broken into two sessions.
The entire field turned qualifying laps in the initial 30-minute session. Then, after a 10-minute break, the 12 fastest cars from that session advanced to a second, 10-minute session.
In the second session, Keselowski turned a lap at 139.384 mph in his No. 2 Ford to win the pole. He was followed by his