Randy Hartley and Dean DeRenzo went to $300,000 on a Florida-bred colt from the first crop of Horse of the Year and Grade 1 Kentucky Derby presented by Woodford Reserve-winner Authentic and another Florida-bred colt by No Nay Never hammered to Avaz Ismoilov for $100,000 during the first session of the prestigious Book 1 at the Keeneland September Yearling Sale.

Selling as Hip 140 from Gainesway, agent for Bridlewood Farm, the Authentic colt is out of Grade 1 Darley Alcibiades-winner Gomo, by Uncle Mo, a half-sister to stakes-producer Gentle Caroline. The bay colt will return home to the Horse Capital of the World® to start his training at Hartley/DeRenzo Thoroughbreds located in Ocala, Fla.

The dark bay or brown colt by No Nay Never was consigned by Four Star Sales, agent for Alfonso and Nora Figliolia’s Westbury Stables based in Reddick, Fla., and sold as Hip 25. He is out of At Ease (GB), by Oasis Dream (GB), a half-sister to graded stakes-placed, stakes-winner Adirondack King, stakes-winner Nobrag Justfact, graded stakes-placed and graded stakes-producer Fire Assay and stakes-producers Jostlin West and Jost d’Oro.

Eight horses sold for $1 million or more Monday headlined by an Into Mischief filly that sold for $2.3 million to Shadwell Racing and an Uncle Mo colt for $2 million, purchased by Donato Lanni, agent for Zedan Racing.

The Keeneland September Yearling Sale continues at 1 p.m. today and continues  daily over 12 sessions through Saturday, September 23.