Here are two of the most impressive debut wins of this decade, by a couple horses who would both later go on to win on Breeders Cup day.
Artie Schiller's amazing debut win on the BEL turf:
http://www.youtube.com/watch?v=JfcszNzA0HU
Ghostzapper debut victory at 12/1 odds in a Hollwood Park MSW race:
http://www.youtube.com/watch?v=DWklJ2YfdKA
Also, here's Ghostzapper's 3-year-old debut at Belmont Park....another tremendously impressive stretch performance.
Ghostzapper Second Win:
http://www.youtube.com/watch?v=MSo-MRDbQ1k