By Wally Pyrah IT’S EASY to be enthusiastic about the chances of bottom-weight CASA LEGEND, who will be on a retrieving mission, in the Panasonic IH Warm Jar Handicap (7.35am) over seven furlongs. Danny Shum’s son of Tavistock was quietly fancied – backed heavily just before the off – when never seeing daylight down the home straight, and eventually finishing fourth, behind a couple of today’s rivals – runner-up Perfect Peach and third placed Marado – over the course and distance, nearly three weeks ago. The fact he had to be ridden for luck from the outside draw, and trailed the field until t…