A small but select field lined up in this year's renewal of the Group 3 A.J. Scahill Stakes with emerging star Vega Magic asserting his authority.

Popular Perth Group winner Grand Nirvana has been retired, having never competed below black type level in all his 51 career starts.

Star Western Australian mare Elite Belle grabbed a second Group win, landing the Hyperlon Stakes at Belmont Park on Saturday.

Veteran Perth sprinter King Kool Kat has been forced out of Saturday's $125,000 Roma Cup at Belmont Park with a suspensory injury and may be facing retirement.

Champion mare Black Caviar is a surprise nomination for the $1 million Newmarket Handicap at Flemington on March 10.