Alexander Petkovic new GBU heavyweight champion!Uncategorized21-04-2012 in Chur, Switzerland: Alexander Petkovic stopped Patrick Berger by TKO in the 2nd round. April 22, 2012 https://globalboxingunion.com/wp-content/uploads/2012/10/aleksander-petkovic1.jpg 240 320 admin https://globalboxingunion.com/wp-content/uploads/2017/04/logo.png admin2012-04-22 08:07:532015-09-23 11:55:17Alexander Petkovic new GBU heavyweight champion!