Roger Penske really is serious about the Nationwide Series. Brad Keselowski's dominant first season with the famed car owner is proof. Keselowski put Penske closer to his first NASCAR series title when he pulled away from Martin Truex Jr. on a late restart Friday night at Charlotte Motor Speedway. It was Keselowski's fifth victory of the season and gave him a 450-point lead over Carl Edwards. Read more: http://sports.espn.go.com/rpm/nascar/nationwide/news/story?id=5689868
