Overnight rain has flooded the pitch at the women's field hockey World Cup in Argentina and forced the cancellation of all three scheduled matches.

World 800m champion Caster Semenya insists she is not interested in what people say about her as she steps up her preparation for the Commonwealth Games in Delhi next month.

The owners of smart sprinter Ortensia have confirmed they will appeal the decision to strip the mare of its win in the Group 1 Galaxy because of a positive swab.

Swimming Australia head coach Leigh Nugent is delighted that Libby Trickett is coming out of retirement, but said he is unsure whether she will be able to get back to her best.

Racing Victoria will meet today to decide on the future of jumps racing.

A fighting 6-3 victory over India has left the Hockeyroos undefeated after two matches at the World Cup in Argentina.

Australian men's hockey coach Ric Charlesworth says his team will have no excuses if it fails to secure gold in October's Commonwealth Games in New Delhi.

The NSW Swifts have bolstered their already impressive roster with Mo'onia Gerrard and Carla Dziwoki joining for a tilt at the trans-Tasman netball league next season.

Three-time Olympic gold medal winning swimmer Libby Trickett is to come out of retirement and will target a spot on the Australian 2012 Games team for London.

Australian netball coach Norma Plummer says she will continue to tinker with her starting line-up against New Zealand despite having picked her Commonwealth Games squad.