Nyquist capped an undefeated 2-year-old season with a win in the GI Breeders' Cup Juvenile, then added the GI Kentucky Derby the next spring, becoming just the second colt to complete the Juvenile-Derby double. His fellow Darley stallion, Street Sense, was the first. Nyquist got his sire career off to a bang with his first crop including a Breeders' Cup winner of his own in 2020 Juvenile Fillies star Vequist. "From his first season in 2017 until now, hands down the most fertile horse I've ever worked with anywhere in...