Kolubah "Zizi" Roberts (born 19 July 1979) is a Liberian former professional footballer who played as a forward.
He began his professional career in 1996 at the age of 17 and played for teams in Liberia, the United States, Switzerland, Greece, and Italy.
In 1997, Roberts signed for A.C. Milan but never played an official match for them, appearing in friendly competitions and being loaned out to Monza in 1997, Ravenna in 1998, and AC Bellinzona for the first half of the 1999–2000 season.
In August 2001, he signed with Olympiakos FC, where he found relative success, scoring five times in just eight appearances.
[2] Roberts left for the United States in 2003, signing with Major League Soccer side Colorado Rapids in August.