Motor Sports

Great Scott!

NBC Sports
Scott Dixon won the Grand Prix at Sonoma to earn his fourth career Verizon IndyCar Series title on a tiebreaker. More | WATCH: Dixon holds off Juan-Pablo Montoya | Dixon in disbelief after fourth title | Montoya misses out on title by tiebreaker
AP Photo
Change gears?
Jenson Button's future in F1 is unclear, so Mark Webber says Button should move to WEC.