Petkovic defends GBU title in Karlsruhe on 15-12-2012!HomePetkovic defends GBU title in Karlsruhe on 15-12-2012! For more information click here. October 31, 2012 https://globalboxingunion.com/wp-content/uploads/2012/10/petko.jpg 403 403 admin https://globalboxingunion.com/wp-content/uploads/2017/04/logo.png admin2012-10-31 09:54:202015-10-07 13:42:26Petkovic defends GBU title in Karlsruhe on 15-12-2012!