Damn, he just hijacked your thread TS. Never heard of the 9 year rule, that's interestingThe 9yr rule is still very relevant
http://www.fightopinion.com/2011/06/19/9-year-rule-mma-ufc/
Good piece, most outliers ITO longevity are guys fueled by TRT or busted for roids to prolong their career. OF course there are a couple outliers, but theyre outliers for a reason. In general this is a strong rule to top fighters.