JOLIET, Ill. — Body-slamming and bump-drafting were the order of the day — at 1.5-mile Chicagoland Speedway, no less — and 50-year-old Martin was the last man standing in a wild LifeLock.com 400. Pulling away after a double-file restart with two laps left in Saturday night’s NASCAR Sprint Cup race, Martin won his series-best fourth race of the season and the 39th of his career. Martin gained two positions to 11th in the standings and will have at least 40 bonus points for the Chase for …

BROOKLYN, Mich. (AP) — The most surprised person to find Mark Martin in Victory Lane at Michigan International Speedway was the driver himself. The 50-year-old NASCAR star has run well but has had to deal with considerable bad luck this season. It looked like more of the same Sunday when the battery in his No. 5 Hendrick Motorsports Chevrolet began to fail before the halfway mark in the LifeLock 400 Sprint Cup race. Martin turned off everything in the car that he could, nursing it as best he …