- He got into racing after retirement through Dogwood Stables, but quickly grew his involvement, largely breeding and racing his own horses.
- He bred and raced Street Sense, the 2007 Kentucky Derby winner who also captured the 2007 Travers and the 2006 Breeders’ Cup Juvenile.
- Tafel owned 1999 Florida Derby winner Vicar.
- He bred and campaigned Banshee Breeze, a multiple Grade 1 stakes winner of more than $2.7 million in purses. At Gulfstream, Banshee Breeze won the 1998 Bonnie Miss (G2), the 1999 Rampart (G2) and finished second in the Breeders’ Cup for the second straight year in 1999. …Other stakes winners include Coolawin, Til Forbid, Metfield and Binalong.