Early mail, blackbookers and best exotic plays for Saturday's Rosehill program from racing editor Chris Scholtz.

Danehill's classic winner Arena passed two career milestones when his filly Arena Rock scored on debut at Traralgon on Tuesday.

Gai Waterhouse will be hoping highly-touted galloper Our Desert Warrior can help tighten her stranglehold over the Spring features when he lines up in the fifth race at Warwick Farm today en-route to a possible Victoria Derby birth.

Fastnet Rock; Dehere; Southern Image; Encosta De Lago; Commands.