Brad Keselowski
Keselowski owns nine career Sprint Cup wins.

Welcome to SportsNation! On Wednesday, we'll have NASCAR's defending champion Brad Keselowski stopping by to chat about the start of the upcoming season and his title defense.

In his third full season, Keselowski, @keselowski, the driver of the No. 2 car, won the title, becoming the third fastest driver in NASCAR's modern era to win a championship. Only Dale Earnhardt and Jeff Gordon did it quicker. Keselowski also won the first Sprint Cup Series title for owner Roger Penske.

Send your questions now and join Keselowski Wednesday at 1:30 p.m. ET!

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