▁the ▁May ▁ 2 0 0 9 ▁he ▁was ▁called ▁up ▁by ▁Columb us ▁C rew ▁to ▁provide ▁cover ▁for ▁Andy ▁Gru en eb aum ▁while ▁Will ▁H es mer ▁was ▁out ▁injured . ▁On ▁ 2 7 ▁February ▁ 2 0 1 0 ▁signed ▁for ▁new ▁founded ▁USS F ▁D 2 ▁Pro ▁League ▁club ▁AC ▁St . ▁Louis . ▁ ▁On ▁March ▁ 1 , ▁ 2 0 1 1 , ▁Du fty ▁signed ▁a ▁contract ▁with ▁Chicago ▁Fire ▁of ▁Major ▁League ▁Soccer . ▁At ▁season ' s ▁end ▁his ▁ 2 0 1 2 ▁contract ▁option ▁was ▁decl ined ▁by ▁Chicago ▁and ▁he ▁entered ▁the ▁ 2 0 1 1 ▁M LS ▁Re - Entry ▁D raft . ▁Du fty ▁was ▁not ▁selected ▁in ▁the ▁draft ▁and ▁became ▁a ▁free ▁agent . ▁ ▁Du fty ' s ▁father ▁David ▁Du fty ▁was ▁a ▁third ▁round ▁draft ▁pick ▁( 4 8 th ▁overall ) ▁of ▁the ▁San ▁Jose ▁Earth qu akes ▁in ▁the ▁ 1 9 7 5 ▁NAS L ▁draft . ▁The ▁ 6 ' 6 " ▁Du fty ▁played ▁four ▁years ▁at ▁Col gate ▁University ▁and ▁would ▁have ▁been ▁the ▁tall est ▁player ▁in ▁the ▁NAS L , ▁but ▁did ▁not ▁get ▁signed ▁by ▁the ▁Earth qu akes . ▁ ▁International ▁Du fty ▁was ▁called ▁up ▁to ▁the ▁United ▁States ▁U - 2 0 ▁men ' s ▁national ▁s occer ▁team ▁for ▁a ▁friendly ▁versus ▁Argentina ▁in ▁May ▁ 2 0 0 7 . ▁Du fty ▁did ▁not ▁play ▁though