 Emerson fell to ninth in the results; resulting in a 56-point lead for Unser, who only needed a fourth-place finish at Road America to win the championship.Even if Fittipaldi, the only man who could stop Unser, won all three remaining races, Unser only needed 12 more points.Unser's eighth win of the year clinched the Nation's Cup for the United States and put him at 193 points, compared to Fittipaldi's 137, Michael at 114, Tracy 107, Gordon 104, and Mansell 83.