Complex sentence: As well, Loftus rode Man o'War to victory in eight races, and to the only defeat in the horse's career, a second place finish at the Sanford Memorial Stakes.
Split into simpler sentences: As well, Loftus rode Man o'War to victory in eight races. During that season, he was the jockey that rode Man O' War to the only defeat in the horse's career, a second place finish at the Sanford Memorial Stakes.