In 2006, Shoaib Akhtar was found guilty of using the banned steroid nandrolone. Pic/AFP
Pakistan's Mohammad Asif was banned for one year after testing positive for nandrolone, which is a banned substance, in the inaugural season in 2008. He had also been banned in 2006 along with Shoiab Akhtar. Pic/AFP
Shane Warne was banned for one year for the use of a diuretic in 2003. It was the first reported instance in cricket of the use of performance-enhancing drugs.
Upul Tharanga, the Sri Lankan opener, has been handed a three-month suspension from all cricket and cricket-related activities by the ICC for failing a drugs test during the 2011 World Cup.
Pakistan spinner Abdur Rehman is facing a two-year ban from cricket for failing a dope test in England. Pic/AFP
Dale Steyn, the South African fast bowler, had come under a doping cloud in 2009 with Cricket South Africa (CSA) acknowledging an "adverse finding" against him following a test conducted during the second IPL but attributing the result to legitimate painkillers he had taken at the time.