Frontstretch NASCAR Power Rankings: Top 15 After the 2012 Samsung Mobile 500 at Texas

It’s about time, right?! Greg Biffle, who has been the points leader for all but two races this season, finally and officially established himself.

Frontstretch NASCAR Power Rankings: Top 15 After the 2012 Goody’s Fast Relief 500 at Martinsville

Was Ryan Newman’s win enough to vault him to the top of our Power Rankings?

Frontstretch NASCAR Power Rankings: Top 15 After the 2012 Auto Club 400 at Fontana

Was Smoke’s continued strong start, the best of his 14-year Cup career enough to propel him to the top of our rankings?

Frontstretch NASCAR Power Rankings: Top 15 After the 2012 Food City 500 at Bristol

Was Brad Keselowski’s performance enough to get him back inside the Power Rankings?

Frontstretch NASCAR Power Rankings: Top 15 After the 2012 Kobalt Tools 400 at Las Vegas

Was Stewart’s Sin City success enough to impress our writers and put him atop our Power Rankings?