As a junior in 1993–94, he averaged 16.0 points and 10.0 rebounds per game as he earned fourth team all-state honors.
[2] In April 1995, he signed a National Letter of Intent to play college basketball for Fresno State University.
[2][4] In 1997, Abney returned to Fresno State where as a sophomore in 1997–98, he was one of three players to play in all 34 games, starting in 13.
[2][4] In his senior season, he was named to the All-WAC second team after he helped Fresno State win the Western Athletic Conference championship.
[5] Later that month, he joined Étendard de Brest of France for the rest of the 2005–06 LNB Pro A season.
On April 19, 2007, he signed a new two-year deal with the Cairns Taipans, reportedly leaving the Crocodiles for more money.
On December 11, 2008, Abney was released by the Taipans because the club could not longer afford him, fellow import Dave Thomas or head coach Alan Black.
The Taipans did continue playing, however, only after the entire team agreed to a blanket 45 per cent pay cut for the rest of the season.
[15] On October 2, 2012, Abney returned to the Townsville Crocodiles, signing with the club for the 2012–13 NBL season.
[16] However, on November 28, 2012, he announced his retirement on advice from his surgeon, who discovered a small hole in his thigh bone.
On February 15, 2024, Abney became head coach of the Saskatchewan Rattlers of the Canadian Elite Basketball League.