Buga came to Germany in 1996 and received a German passport in 2002. He won the German championships at
welterweight in 2005 but moved up to
middleweight later. He participated in the
2007 World Amateur Boxing Championships and was one of only two German quarterfinalists that qualified directly for the Olympics. He upset local hero
Shawn Estrada but lost to the surprise runner-up
Alfonso Blanco of Venezuela.
World amateur championships results • Defeated Tobias Webb (Wales) RSCO 3 • Defeated
Jean-Mickaël Raymond (France) 19-8 • Defeated
Shawn Estrada (United States) 11-11 • Lost to
Alfonso Blanco (Venezuela) 9-18
Olympic games results • Lost to
Carlos Góngora (Ecuador) 7-14 ==References==