Kyle Busch kept his perfect weekend alive by winning the Nationwide Series race at Homestead-Miami Speedway on Saturday -- a victory that gave Joe Gibbs Racing the owner's championship. It was Busch's 13th win of the Nationwide season and career victory No. 43 in that series, second only to Mark Martin's 48 wins. It came on the heels of Friday night's win in the Trucks Series, which also gave Busch the owner's championship in that series. Busch headed into Sunday's finale looking for a weekend sweep -- he won three races in NASCAR's three national series at Bristol in August -- but he was thinking about the big picture instead of his own personal accomplishments. JGR teammate Denny Hamlin can win his first Cup title in Sunday's season finale. "Wish I had something for tomorrow," Busch told his team as he crossed the finish line, "but we'll play the teammate and get them one." Read more: http://sports.espn.go.com/rpm/nascar/nationwide/news/story?id=5831905