Nick Willis is in line for an upgrade after Olympic 1500m champion was stripped of his gold medal for doping.

Andre Agassi says being bullied into doing something he didn't like saw him change into a P-user.

Liza Hunter-Galvan begins her two-year suspension for doping today.

A top New Zealand marathon runner who competed at the Beijing Olympics admits doping and is suspended for two years.

Preliminary medical tests have been performed on South African runner Caster Semenya.