Seven years ago, New River Equine signed the seven-figure ticket on a yearling filly by Medaglia d'Oro at the 2019 Keeneland September Sale. That combination, revealed to be trainer Ben Colebrook and owner/breeder Michael Ball, went to a final bid of $1,100,000 that afternoon and, while that filly never made the track herself, her son has picked up the mantle as 'TDN Rising Star, presented by Hagyard' Chief Wallabee (Constitution) lines up in Saturday's GI Curlin Florida Derby. "The mare was a really nice-looking, well-bred filly that we ended up...