AVONDALE, ARIZ. — Brad Keselowski will miss qualifying at Phoenix Raceway and Cole Custer will fill in for him Saturday.
Keselowski’s wife, Paige, is going into labor. The 2012 NASCAR Cup Series champion will be back Sunday for the Season Finale 500.
Keselowski will have to drop to the rear of the field, however.
Custer is racing in the NASCAR Xfinity Series Championship Four.