 Complete the following phrase:  Statistically, 2012 was Keselowskis best Sprint Cup season to date: he won five races on the way to winning his first Sprint Cup championship. Keselowski started the year by memorably posting pictures and status updates via Twitter from his car during a red flag period. Cars were stopped on the track when a mechanical failure on Juan Pablo Montoyas car caused it to run into a jet dryer under caution at the 