Trainer Mark Newnham has reported to Racing NSW Stewards that Quackerjack (race 1, no 2) has undergone arthroscopic surgery to remove a bone chip from its near fore knee since its last start at the Gold Coast (13 January 2018).
The colt has since trialled at Royal Randwick on 30/7/18 and 13/8/18 and at Warwick Farm on 24/8/18.