Filed under: Stream Georgia Football Justin Houston Tested Positive For Marijuana At NFL Combine, According To Report Contributors: Jason Kirk Share this story Share this on Facebook Share this on Twitter Share All sharing options Share All sharing options for: Justin Houston Tested Positive For Marijuana At NFL Combine, According To Report Reddit Pocket Flipboard Email Justin Houston reportedly failed a drug test at the NFL Combine. 2 Total Updates Since Apr 26, 2011, 10:48am EDT Follow this stream April 26, 2011 Justin Houston Has Violated 'Substance Abuse Policy' Before, According To Report By Jason Kirk April 26, 2011 Justin Houston Tested Positive For Marijuana At NFL Combine, According To Report By Jason Kirk