SACKVILLE TO HAVE AINTREE OPTION Leading Irish novice Sackville is set to be added to the entries for the Heidsieck Monopole Mildmay Novices` Chase at Aintree on Friday.The three-mile-one-furlong contest, along with three other races at Aintree on Thursday and Friday, was offered for further entries following the cancellation on Sunday of the Cheltenham Festival.Frances Crowley, the eight-year-old`s trainer, said today: 'We`ll probably enter him at Aintree but if things get under way in Ireland we`ll keep him here for Fairyhouse and Punchestown because if he goes to Aintree he won`t be allowed to come home.'Sackville has won his last four races and was a leading fancy for the cancelled Royal & SunAlliance Chase.His trainer added: 'He`s done very well for us this season. We`ve kept him on the go and he`s in great form.'