Anyone have any info on Youssef Omar Bello,Fidel Ouame(or Kwame??) and Mamadou Ouatarra who played for a Bulgarian club named Rilski Sportist Samokov?

thx & grtz

Youssuf Omar Bello - 06.08.1986 - Nigeria - goalkeeper
Fidel Quame - 27.07.1985 - Ivory Coast - midfielder/forward
Mamadou Quattara - ? - Ivory Coast - midfielder

They all play for Rilski Sportist since February 2007