▁the ▁last ▁ 3 ▁months ▁of ▁the ▁season ▁with ▁conc uss ion . ▁He ▁was ▁out ▁of ▁contract ▁with ▁United ▁following ▁the ▁ 2 0 1 7 ▁season ▁ ▁and ▁was ▁considering ▁ret irement ▁due ▁to ▁brain ▁tra uma ▁due ▁to ▁ 8 ▁separate ▁ ▁conc uss ions ▁he ▁has ▁suffered ▁from . ▁ ▁International ▁career ▁Ny ark o ▁was ▁called ▁up ▁to ▁the ▁Gh ana ▁squad ▁to ▁face ▁Chile . ▁Ny ark o ▁made ▁his ▁Gh ana ▁debut ▁against ▁Chile ▁on ▁February ▁ 2 9 , ▁ 2 0 1 2 ▁at ▁the ▁P PL ▁Park ▁in ▁Ch ester , ▁Pennsylvania . ▁ ▁Personal ▁Ny ark o ▁was ▁granted ▁a ▁U . S . ▁green ▁card ▁in ▁ 2 0 1 1 . ▁This ▁status ▁qual ifies ▁him ▁as ▁a ▁domestic ▁player ▁for ▁M LS ▁ro ster ▁purposes . ▁ ▁References ▁ ▁External ▁links ▁▁▁▁ ▁Category : 1 9 8 6 ▁birth s ▁Category : L iving ▁people ▁Category : G h ana ian ▁football ers ▁Category : G h ana ian ▁exp atri ate ▁football ers ▁Category : G h ana ▁international ▁football ers ▁Category : V ir gin ia ▁Te ch ▁H ok ies ▁men ' s ▁s occer ▁players ▁Category : Ch icago ▁Fire ▁FC ▁players ▁Category : D . C . ▁United ▁players ▁Category : M aj or ▁League ▁Soccer ▁players ▁Category : V ir gin ia ▁Te ch ▁al umn i ▁Category : Ex pat ri ate ▁s occer ▁players ▁in ▁the ▁United ▁States ▁Category : Ch