Why no Kenseth?

#17-Matt Kenseth was the only driver not to make the race, why? when he had more race attempts them #31-Dave Blaney [7 to 3] and higher in Owenrs Points [34th]? Kenseth was a Post Entry, which means the team entered the car after the entry blank deadline [usually 13 days before the race] so Kenseth was not eligible for a spot due to points, attempts, past winner unless there were spots open, but there was not.(6-3-2005)