Premier trainer Chris Waller produced two of the best horses in the country to win within 40 minutes of each other at Randwick, plus a group 1 winner in Melbourne, but his heart was with fallen dual Derby winner Riff Rocket on Saturday. Premier trainer Chris Waller produced two of the best horses in the country to win within 40 minutes of each other at Randwick, plus a group 1 winner in Melbourne, but his heart was with fallen dual Derby winner Riff Rocket on Saturday. Sport / Racing Sydney Morning Herald – Latest News