▁defe ating ▁wrest ling ▁star ▁Tim ▁Catal fo ▁via ▁submission ▁due ▁to ▁p unch es , ▁Hoff man ▁returned ▁to ▁fight ▁for ▁the ▁U FC ▁at ▁U FC ▁ 3 4 ▁against ▁Josh ▁Bar nett , ▁who ▁had ▁defeated ▁Hoff man ▁earlier ▁in ▁his ▁career ▁via ▁un anim ous ▁decision . ▁Hoff man ▁lost ▁the ▁bout ▁via ▁T K O ▁at ▁ 4 : 2 5 ▁of ▁the ▁second ▁round ▁in ▁what ▁was ▁the ▁first ▁T K O / K O ▁loss ▁of ▁his ▁career . ▁Both ▁Hoff man ▁and ▁Bar nett ▁failed ▁drug ▁tests ▁for ▁the ▁fight , ▁Hoff man ▁for ▁mar iju ana , ▁as ▁he ▁admitted ly ▁sm oked ▁it ▁only ▁hours ▁before ▁the ▁fight , ▁and ▁Bar nett ▁for ▁multiple ▁b anned ▁subst ances . ▁This ▁would ▁be ▁Hoff man ' s ▁last ▁fight ▁for ▁the ▁organization ▁and ▁Bar nett ▁would ▁become ▁the ▁new ▁U FC ▁heavy weight ▁champion ▁before ▁having ▁his ▁title ▁stri pped ▁for ▁another ▁failed ▁drug ▁test . ▁ ▁Post - U FC ▁After ▁sp ending ▁over ▁a ▁year ▁in ▁prison ▁for ▁domestic ▁ab use , ▁Hoff man ▁returned ▁to ▁mixed ▁mart ial ▁arts ▁competition ▁for ▁the ▁King ▁of ▁the ▁C age ▁organization . ▁Hoff man ▁became ▁the ▁first ▁King ▁of ▁the ▁C age ▁heavy weight ▁champion ▁in ▁his ▁second ▁fight ▁back ▁after ▁a ▁T K O ▁win ▁over ▁Jason ▁God sey ▁and ▁then ▁def ended ▁his ▁title ▁against ▁Paul ▁Bu ent ello ▁via ▁un anim ous ▁decision . ▁Hoff man ▁then ▁lost ▁a ▁rem atch