Farewell (at last)...Top stayer Efficient has been retired after recurrence of an injury on Thursday morning. "Efficient has been retired after suffering a leg injury this morning," part-owner Nick Williams tweeted. The 9YO had his heyday in the spring of 2006 when his first racing campaign ended with wins in the Grp I Victoria Derby (2500m) and Grp 2 AAMI Vase (2040m). He won the 2007 Melbourne Cup, downing the UK star Purple Moon. Efficient had 29 races for seven wins and one placing

Farewell (at last)...Top stayer Efficient has been retired after recurrence of an injury on Thursday morning. "Efficient has been retired after suffering a leg injury this morning," part-owner Nick Williams tweeted. The 9YO had his heyday in the spring of 2006 when his first racing campaign ended with wins in the Grp I Victoria Derby (2500m) and Grp 2 AAMI Vase (2040m). He won the 2007 Melbourne Cup, downing the UK star Purple Moon. Efficient had 29 races for seven wins and one placing andcareer earnings of $4,788,525.