The listing below represents undefeated Kentucky Derby starters, and includes only the modern era of the Derby. Thunderer was a full brother to Regret. They each made their first start as 3-year-olds in the Kentucky Derby, as did Morvich in 1922.
|Year||Horse||Pre-Derby Wins||Derby Finish|
|1982||Air Forbes Won||4||7th|
|PUSH FOR OLD TIMES ”” Brokers Tip (R) fends off Head Play to capture 1933 Kentucky Derby in 2:06 4/5.|