All 22 fighters who competed at this month’s UFC 162 evnet tested clean for performance-enhancing drugs and recreational drugs/drugs of abuse. MMAjunkie.com (www.mmajunkie.com) today received the drug-testing results from the Nevada State Athletic Commission, which oversaw the July 6 event at MGM Grand Garden Arena in Las Vegas. The main event saw longtime middleweight champion Anderson Silva (33-5 MMA, 16-1 UFC) finally dethroned after 16 straight UFC wins and 10 successful title defenses. Challenger Chris Weidman (10-0 MMA, 6-0 UFC) knocked Silva out in the second round.