Simpson shot a four-under 67 to reach 19 under. He opened with rounds of 64 and 63.
Chesson Hadley was second after a 67, reaching 15 under with an eagle on the par-five 16th. The
Jeff Overton was third at 14 under after a 68.
Anna Nordqvist of Sweden shot a two-under 70 to remain tied for the lead with Katherine Hull-Kirk of Australia after the second round of the KEB HanaBank Championship at Incheon, South Korea.
Nordqvist had four birdies against two bogeys to move to seven-under 137 while Hull-Kirk had an eventful day with an eagle, a double bogey, five birdies and three bogeys.
Defending champion Suzann Petterson of Norway fired a 69 to move into a tie for third with South Korea's Ju Young Pak and Amy Yang, who both shot 71.
Bernhard Langer was a little tense after bogeying the first two holes Saturday in the second round of the Champions Tour's Greater Hickory Classic at Conover, N.C. But the German star overcame the shaky start and soggy course conditions to take a two-stroke lead.
Second behind Kenny Perry in the
Michael Allen, Brad Bryant and John Riegger were tied for second. Allen shot 65, Bryant had a 66, and Riegger a 67.
At Talladega, a rainout and a wild finish
After qualifying for the NASCAR Sprint Cup race at Talladega (Ala.) Superspeedway was rained out, the 43-car field for Sunday is based on speeds from the first practice session on the 2.66-mile track. That means
Officials attempted to dry the track, but the rain continued through midday. With a truck race scheduled for Saturday afternoon and no lights at Talladega, NASCAR ran out of time to get in the qualifying session.
In the Truck Series race,
Three sets of trucks paired up in the closing laps — Sauter with series leader
Sauter was the only one to be spared from a 12-truck crash that occurred when pole-sitter Jeb Burton got tangled up with Busch, sending the Sprint Cup star slamming into both the inside and outside walls.
Sauter took the checkered flag while
Miller will make his debut Sunday night when the Broncos visit the Indianapolis Colts.
Minnesota Vikings running back
Top-seeded David Ferrer became the first Spaniard in 37 years to reach the Stockholm Open final when he beat fifth-seeded
In Sunday's title match, Ferrer will play seventh-seeded Grigor Dimotrov of Bulgaria, who defeated wild card Benoit Paire of France, 4-6, 6-2, 6-2.
The second-seeded Haas rallied past Lukas Rosol of the Czech Republic, 3-6, 6-4, 7-6 (0).
Samantha Stosur and Simona Halep advanced to the final of the Kremlin Cup in Moscow with straight-sets victories.