In the penultimate race of the day, the Cathcart Challenge Cup Chase, Richard Johnson joined Barry Geraghty on four winners after he guided La Landiere home.
In the extremely unlikely event that Bachmann wins the GOP nomination, the result would be a landslide that would make Lyndon Johnson over Barry Goldwater in 1964 look small.
Host Stuart Scott and analysts Magic Johnson, Jon Barry and Mike Wilbon will provide pre- and postgame segments, while Hannah Storm will host the 6 p.m. edition's NBA segments.