Entry lists for Sonoma, Road America

• http://www.nascar.com/en_us/news-media/articles/2013/06/17/entry-list-sonoma-sprint-cup-road-america-nationwide.html

Sprint Cup Power Rankings -- Week 15

• http://www.nascar.com/en_us/news-media/articles/2013/06/18/sprint-cup-power-rankings-week-15.html

Biffle has no regrets following Edwards tiff

• http://www.nascar.com/en_us/news-media/articles/2013/06/18/biffle-has-no-regrets-following-edwards-tiff.html

NASCAR Sprint Cup Series | NASCAR.com

The official site of NASCAR, the National Association for Stock Car Auto Racing. Find NASCAR news, schedules, standings and drivers.

• http://www.nascar.com/en_us/sprint-cup-series.html

Jacques Villeneuve

• http://www.nascar.com/en_us/sprint-cup-series/stats/driver-stats/jacques-villeneuve.html

Alex Kennedy

• http://www.nascar.com/en_us/sprint-cup-series/stats/driver-stats/alex-kennedy.html