Bua had a distinguished college career as a linebacker/safety while playing at the University of Arkansas, and entered the draft with Mark Bloom as his agent.
Although Bua was drafted as a linebacker, he mainly was used to play on special teams, primarily during punting situations.
During preseason workouts, Bua was praised by Dolphins head coach Dave Wannstedt for his work ethic and performance, and was stated to have a chance to make the roster.
While Bua was moved to safety to begin the 2005 season, Dolphins waived him on September 4.
Bua signed to play in the AAFL in its inaugural season, for Team Arkansas.