[6] On 7 August 2015, Radza made his professional debut in the Danish Superliga, replacing the injured Michael Falkesgaard in the 64th minute of a 2–2 home draw against AGF.
[7][8] On 28 January 2016, OB announced that Radza's contract had been terminated by mutual consent, as he sought a club that could provide him with regular and dependable playing time on the first team.
[9] Just three hours after Radza was released by OB, he joined the Danish 2nd Division club Næsby.
[10] Six months later, on 26 July 2016, he moved to Faroese club TB.
[11] He remained at TB for five months before again returning to Denmark, signing a one-and-a-half-year contract with Danish 2nd Division club Middelfart in December 2016.