Mr. Prospector was a prominent American Thoroughbred racehorse and influential sire, born in 1970. He was known for his exceptional speed and stamina, winning several major races, including the 1973 Kentucky Derby. His racing career was marked by impressive performances, making him a standout in the sport. After retiring from racing, Mr. Prospector became a highly successful breeding stallion. He sired numerous champions and is considered one of the most important sires in Thoroughbred history. His lineage continues to impact the breed, with many modern racehorses tracing their ancestry back to him.