2 , ▁H ack worth ▁became ▁an ▁assistant ▁to ▁United ▁States ▁U - 1 7 ▁men ' s ▁national ▁s occer ▁team ▁coach ▁John ▁Ell inger . ▁In ▁ 2 0 0 4 , ▁when ▁Ell inger ▁left ▁to ▁become ▁head ▁coach ▁at ▁Real ▁Salt ▁Lake , ▁H ack worth ▁moved ▁up ▁to ▁become ▁head ▁coach . ▁ ▁He ▁co ached ▁the ▁team ▁at ▁the ▁FIFA ▁U - 1 7 ▁World ▁Cup ▁in ▁ 2 0 0 5 ▁and ▁ 2 0 0 7 . ▁ ▁On ▁November ▁ 9 , ▁ 2 0 0 9 , ▁H ack worth ▁was ▁h ired ▁by ▁the ▁expansion ▁M LS ▁Philadelphia ▁Union ▁as ▁a ▁Co ach ▁and ▁Youth ▁Development ▁Co ordin ator . ▁ ▁On ▁June ▁ 1 3 , ▁ 2 0 1 2 , ▁he ▁was ▁announced ▁as ▁the ▁Philadelphia ▁Union ' s ▁new ▁inter im ▁coach ▁and ▁was ▁given ▁the ▁title ▁perman ently ▁on ▁August ▁ 3 0 . ▁ ▁On ▁June ▁ 1 0 , ▁ 2 0 1 4 , ▁he ▁was ▁rel ieved ▁of ▁his ▁duties ▁as ▁team ▁manager . ▁ ▁On ▁August ▁ 2 , ▁ 2 0 1 8 , ▁H ack worth ▁officially ▁signed ▁on ▁as ▁Head ▁Co ach ▁for ▁Louis ville ▁City ▁FC ▁and ▁is ▁still ▁currently ▁leading ▁the ▁team . ▁As ▁the ▁Head ▁Co ach , ▁he ▁has ▁so ▁far ▁led ▁the ▁team ▁to ▁a ▁championship ▁in ▁ 2 0 1 8 ▁and ▁runner - ups ▁in ▁the ▁ 2 0 1 9 ▁season