A field of 10 4-year-olds bred in either hemisphere line up for Sunday's HK$10-million Hong Kong Classic Cup (1800m), a field in which the top-rated galloper has some questions to answer and is likely to play second fiddle--at least from a pari-mutuel standpoint-to a stable companion. Golden Sixty (Aus) (Medaglia d'Oro) is rated on 112 entering this middle leg of the 4YO Classic series, having posted eight wins from his nine trips to the post to date. He is perfect in five runs this season, including a defeat of more...