▁touch down s . ▁His ▁best ▁game ▁as ▁a ▁running ▁back ▁was ▁ 1 2 ▁attempt , ▁ 2 5 0 ▁yard ▁performance , ▁including ▁six ▁touch down s . ▁ ▁College ▁career ▁Mitchell ▁originally ▁signed ▁with ▁the ▁University ▁of ▁Florida , ▁but ▁the ▁S out he astern ▁Conference ▁ruled ▁him ▁in el ig ible ▁because ▁an ▁issue ▁with ▁his ▁high ▁school ▁trans cript . ▁While ▁in ▁college , ▁he ▁major ed ▁in ▁Soci ology . ▁ ▁S . F . ▁City ▁College ▁Mitchell ▁attended ▁San ▁Francisco ▁City ▁College ▁for ▁two ▁years ▁and ▁helped ▁lead ▁his ▁team ▁to ▁a ▁ 2 4 – 0 ▁record , ▁two ▁California ▁state ▁champion ships , ▁and ▁two ▁Ju Co ▁Grid wire ▁national ▁champion ships . ▁As ▁a ▁s oph om ore , ▁he ▁earned ▁All - American ▁hon ors ▁and ▁recorded ▁five ▁s acks , ▁one ▁inter ception , ▁and ▁ 8 0 ▁tack les . ▁ ▁Oklahoma ▁In ▁ 2 0 0 2 , ▁Mitchell ▁transferred ▁to ▁the ▁University ▁of ▁Oklahoma ▁where ▁he ▁played ▁his ▁final ▁three ▁college ▁seasons . ▁ ▁In ▁his ▁first ▁season ▁at ▁Oklahoma , ▁Mitchell ▁started ▁every ▁game ▁at ▁middle ▁line back er . ▁He ▁led ▁the ▁team ▁with ▁ 1 2 4 ▁tack les ▁( 8 7 ▁sol os ), ▁four ▁s acks , ▁ 2 0 ▁tack les - for - loss es , ▁six ▁passes ▁def enses ▁and ▁four ▁forced ▁f umb les . ▁He ▁earned ▁Second - team ▁All - American ▁( CN NS I ), ▁First