By Christie DeBernardis & Jessica Martini The four-day Ocala Breeders' Sales Company's Spring Sale got off to a strong start Tuesday. A colt from the first crop of Horse of the Year Gun Runner (Hip 118) was the day's hottest commodity, bringing $850,000 from Donato Lanni, acting on behalf of Michael Lund Petersen. Hip 118 was one of 181 juveniles to sell for a gross of $17,829,500. The average was $98,506 and the median was $50,000. Of the 304 catalogued, 225 were offered with 44 horses leaving the ring unsold...