Horse racing tips: Three outsiders who can bash the bookies on Sunday

SUN Racing's Sunday picks are below. Back a horse by clicking their odds. LONGSHOT HUMBLE SPARK (5.45 Musselburgh) Was a good fourth in the Queen’s Prize here last time and could hit the frame again at least. EACH-WAY THIEF APPLESANDPEARS (4.45 Musselburgh) Who’s capable claiming rider is taking off a valuable 5lb. DWINDLING FUNDS (5.15...