Greg Biffle sounded more like a defiant prizefighter psyched up for the next round than a racer feeling the pressure to earn a postseason bid with only four races remaining to set NASCAR's Chase for the NASCAR Sprint Cup 16-driver field. Speaking with the national media on Tuesday, Biffle acknowledged time is running out on securing a place in NASCAR's Chase, but he feels like this week's stop, Michigan International Speedway, is his ace in the hole for a win-and-you're-in scenario, or at least a strong move in the points position. It would be easy to throw the towel in and say, 'OK, we ran (20th) at our best track (Michigan in the spring), we're going to give up.' They used NASCAR's last off week to test at their best track -- the super fast Michigan 2-miler -- to be absolutely on top of their game there instead of trying to gain somewhere else they might have previously struggled. More...