Grade I winner Borrego, who will enter stud in 2007 at Wintergreen Stallion Station near Midway, Ky., will stand for $20,000 live foal.A winner on both dirt and turf as a 2-year-old, Borrego first encountered national prominence while finishing a smart second to Smarty Jones in the 2004 Arkansas Derby (gr. II). Borrego was the only horse to run in that year's Kentucky Derby (gr. I) and go on to win as many as two grade I stakes the following year.Borrego captured the 2005 Pacific Classic Stakes (gr. I) over Perfect Drift and Lava Man. In his next start, he proved an overpowering winner in the Jockey Club Gold Cup (gr. I) over a field that included Flower Alley.Borrego (El Prado--Sweet as Honey, by Strike the Gold) retired with five wins from 20 races and earnings of $2,052,090. Wintergreen Stallion Station - owned by John Greely IV and his brother, C. Beau Greely - plans to show Borrego at the farm during the Keeneland September yearling sale.