▁Sug ar ▁Bowl . ▁▁ ▁In ▁ 2 0 0 9 , ▁Walker ▁returned ▁to ▁the ▁University ▁of ▁Notre ▁D ame ▁to ▁finish ▁his ▁degree . ▁ ▁Statistics ▁ ▁Professional ▁career ▁ ▁Houston ▁Tex ans ▁Walker ▁signed ▁a ▁contract ▁with ▁the ▁Houston ▁Tex ans ▁after ▁not ▁being ▁taken ▁in ▁the ▁ 2 0 0 7 ▁NFL ▁D raft . ▁In ▁Week ▁ 1 4 , ▁Walker ▁led ▁the ▁team ▁with ▁ 1 6 ▁car ries ▁for ▁ 4 6 ▁yards ▁and ▁finishing ▁second ▁with ▁six ▁reception s ▁for ▁ 3 5 ▁yards ▁against ▁T ampa ▁Bay . ▁Walker ▁re - signed ▁with ▁the ▁Houston ▁Tex ans ▁on ▁November ▁ 2 5 , ▁ 2 0 0 8 , ▁when ▁the ▁team ▁placed ▁Ah man ▁Green ▁on ▁the ▁reserve / in j ured ▁list . ▁Walker ▁r ushed ▁for ▁ 2 4 6 ▁yards ▁and ▁one ▁touch down ▁on ▁ 5 8 ▁car ries ▁( 4 . 6 ▁av g .) ▁in ▁his ▁one ▁NFL ▁season . ▁He ▁also ▁caught ▁ 1 3 ▁passes ▁for ▁ 8 1 ▁yards . ▁ ▁Den ver ▁Bron cos ▁On ▁May ▁ 7 , ▁ 2 0 0 9 , ▁Walker ▁signed ▁a ▁two - year ▁contract ▁with ▁the ▁Den ver ▁Bron cos . ▁ ▁Dallas ▁Cow bo ys ▁He ▁signed ▁with ▁the ▁Dallas ▁Cow bo ys ▁on ▁December ▁ 1 5 , ▁ 2 0 0 9 ▁for ▁$ 2 5 0 , 0 0 0 ▁on ▁a ▁one - year ▁deal . ▁ ▁Career ▁after ▁football