Keselowski races to the top

Brad Keselowski is known as NASCAR's most popular Twitter user, but now he has another title to add to his name: Sprint Cup Champion. The 28-year-old, in just his third full season on NASCAR's biggest stage, had the sports world buzzing with his championship performance. Keselowski held off five-time champion Jimmie Johnson and then enjoyed Miller Time in the winner's circle, earning him this week's top spot.

Keselowski may have cruised to victory, but Matt Schaub had to work overtime -- and then some -- to lead the Texans to a win. Schaub threw for 527 yards, tied for the second-most in NFL history, and helped Houston become the first team ever to score multiple times in overtime to give the Texans a hard-fought win over the Jaguars, landing him just behind Keselowski in this week's rankings.

That's how our panel ranked them, but do you agree? Let your voice be heard in the comments, and if you impress the panel, you could be chosen as a guest ranker for next week.

2012 Cross-Sport Power Rankings panel: Sara Walsh, John Buccigross, Robert Flores, Michael Smith, Bram Weinstein, Mike Hill, Jorge Andres, Charissa Thompson, DJ Gallo, Jim Basquil, Kevin Connors, Jeff MacGregor and Steve Weissman

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The Cross-Sport Power Rankings week runs from Tuesday to Monday, covering all sporting events in that seven-day span.