NASCAR Barometer: Biffle's on the Upswing

Sunday at Watkins Glen International produced rain without a red flag, and a wild finish that saw Marcos Ambrose go from third to first in the first-ever final lap pass for the win.

The twisting turns and pounding curbs took their toll on the machinery of the NASCAR Sprint Cup drivers. No fewer than 11 drivers recorded DNFs, and many were the result of broken machinery brought on by the demanding race.

Kyle Busch led the most laps on the day but failed to make his way around one last time to claim victory. Oil on the track caused each of the leaders to fight for grip on the

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