November 1, 2006: Fast bowlers Shoaib Akhtar and Mohammad Asif were banned for two years and one year respectively after both were found guilty of using the banned anabolic steroid nandrolone. Both were absolved by a tribunal because the tests were conducted out of competition.

October 2, 2012: Left-arm spinner Abdul Rehman was banned for 12 weeks by the England and Wales Cricket Board under its anti-doping rules after testing positive for the recreational drug cannabis during his stint with Somerset county.

May 07 - 2014: Kashif Siddiq was banned for two years for violating anti-doping rules.

May 25 - 2015: Pakistan's spinner Raza Hasan banned for two years after failing a dope test in national competition.

Dec 27, 2015: The International Cricket Council provisionally suspended leg-spinner Yasir Shah on violating anti-doping rules.