NBA player O.J. Mayo received a two-year ban on Friday for violating the NBA's anti-doping program.

Mayo, now a free agent, played for the Memphis Grizzlies from 2008-2012, spent the 2012-2013 campaign with Dallas and played for Milwaukee from 2013 to 2016.

The NBA did not disclose details of the ban for the 28-year-old American.

It was the second time that Mayo had a doping violation after he was suspended for 10 games in 2011, testing positive for steroids he said were taken unknowingly in a supplement.

After being dismissed and disqualified from the league for his latest violation, Mayo cannot apply for reinstatement for two years, so his actual punishment could last longer if such a bid is rejected.