Kurt Busch chases NASCAR playoffs with future uncertain

ELKHART LAKE, Wis. (AP) — Kurt Busch has welcomed the uncertainty of this season as he chases a playoff berth while pondering his future in NASCAR. Busch posted the fastest practice time Saturday as . His younger brother, Kyle Busch, had the second-fastest practice time but crashed and will have to start Sunday at the back of the pack in a backup car.