John Fuller of TheMat.com and U.S. wrestling fan Sina Etamadi selected the most gold medal winners among the journalists polled by TheMat.com prior to the Greco-Roman World Championships in Moscow, Russia.    Fuller and Etamadi had two correct selections from the seven international weight classes, coming out on top of the 14 journalists who submitted their picks prior to the event. Eight journalists picked one champions and four had no correct predictions.    Fuller's two correct choices were Armen Nazarian of Bulgaria at 60 kg/132 lbs.  and Ara Abrahamian of Sweden at 84 kg/185 lbs.     In addition to selecting two winners, Fuller provided the comprehensive tournament coverage of the Greco-Roman World Championships matside from Moscow for TheMat.com.    Etamadi, a wrestling fan and regular visitor to TheMat.com, asked if he could be allowed to enter his picks alongside the sports journalists. His correct choices were Armen Nazarian of Bulgaria at 60 kg/132 lbs.  and Varteres Samourgashev of Russia at 74 kg/163 lbs.     TheMat.com will also poll journalists for their champion selections prior to the Women's World Championships in Halkida, Greece, Nov. 1-2.