NASCAR overhauled its qualifying process Wednesday, switching to a knockout format similar to Formula One and IndyCar. NASCAR will use three rounds of qualifying at tracks 1 1/4 miles in length or larger. ''New qualifying rules for (at)NASCAR 2014 season should really mix it up,'' 2012 Cup Series champion Brad Keselowski posted on his Twitter page. ''I expect a lot more actions for fans and even more games from teams.'' Robin Pemberton, NASCAR's vice president for competition and racing development, said the sanctioning body modified qualifying rules to make the event ''more engaging to the fans in the stands and those watching on TV and online.'' It's the first of several changes expected this season. More...