Frank Mir’s ‘B Sample’ tests positive

Frank Mir’s ‘B Sample’ tests positive.

Back in March, Mark Hunt picked up [yet another walk-off KO](https://www.bjpenn…

After the bout, news surfaced that Mir had failed a drug test that was taken after his loss to Hunt. Mir adamantly denied that he took any performance enhancing drugs, and revealed that if he were to be suspended for 2 years he would retire from MMA.

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