in 1988 Wosz started playing football at BSG Motor Halle in 1980. After a year there he moved to BSG Empor Halle before joining
Chemie Halle in 1984. Two years after joining the club he made it into the first team, who earned promotion from the second division to the
DDR-Oberliga, although Wosz would only play once, in 1986–87. During the following four seasons he would amass 93 games (15 goals) until the Oberliga merged with the
Bundesliga due to the
German reunification. Wosz stayed at Halle for the
1991–92 2. Bundesliga season, lining up in 22 games (five goals). Because the club finished fourth in the final
East German football season, he was able to play twice in the
1991–92 UEFA Cup. Wosz was transferred to
VfL Bochum in toward the end of the 1991–92 season. As captain, he led Bochum to its biggest success yet: the third round of the
1997–98 UEFA Cup which was lost 6–4 on aggregate to
Ajax. In the summer of 1998, Wosz was transferred to
Hertha BSC. After three successful years, including participation in the
UEFA Champions League where he scored the winning goal against
A.C. Milan,{{cite news ==International career==