Kentucky Derby Winners in the Breeders' Cup Classic since 2000

In their Derby winning year:

2011: Animal Kingdom (Will not race)
2010: Super Saver (Did not race)
2009: Mine That Bird (9^th; finished 10th in the 2010 Dirt Mile)
2008: Big Brown (Did not race)
2007: Street Sense (4^th)
2006: Barbaro (Did not race)
2005: Giacomo (Did not race; finished 4th in 2006)
2004: Smarty Jones (Did not race)
2003: Funny Cide (9^th; finished 10th in 2004)
2002: War Emblem (8^th)
2001: Monarchos  (Did not race)
2000: Fusaichi Pegasus (6^th)

The last Kentucky Derby winner to win the Breeders' Cup Classic in the same year was Unbridled in 1990.  Sunday Silence pulled off the same feat the year before.