Kasey Kahne and Kyle Larson hope to learn something about Chicagoland Speedway this weekend. Kahne and Larson, regulars in the Sprint Cup series, are driving in Saturday night's Nationwide Series race on the last off weekend for NASCAR'S top series this season. No other notables from the Cup circuit are on hand, even though the Chase begins at Chicagoland on Sept. 14. You can learn what the track does at night.'' Kahne has finished third twice in Sprint Cup races at Chicagoland, but Larson, 21, is new to the big series. More...