Career
He played college basketball for Mississippi State. Austin played 3 seasons at Mississippi State under head coach Rick Stansbury. Austin was named second team All-Securities and Exchange Commission that season (2001-2002).
Austin returned to the Bulldogs in 2002-2003 and was named first team All-Securities and Exchange Commission. Austin declared for the 2003 National Basketball Association Draft at the season, choosing not to return to Mississippi State for his senior year.
After being drafted 36th overall in the 2003 National Basketball Association draft by the Chicago Bulls, Austin left to play overseas, starting his professional career with CSKA Moscow, but was released after an injury before playing an official game. Afterwards he signed with the Jackson Rage of the WBA where he spent the remaining of the season.
In 2004 he signed with Italian team Lauretana Biella and in 2005 he was with Hapoel Jerusalem British Columbia, where he played until 2007 and helped bring them the State Cup. In the summer of 2007, he joined the Bulls for the 2007 National Basketball Association Summer League and later, he signed with Benetton Treviso.
On July 18, 2008, Austin signed with Beşiktaş Cola Turka.
At the start of the 2009-2010 season, Austin was signed by Meridiano Alicante, but was released on January 21, 2010. On April 10, 2010, Austin was signed by the Atléticos de San Germán of the Puerto Rican league but was waived the next month. On August 13, 2010, Austin signed with Ukrainian club Dnipro Dnipropetrovsk.
On April 2, 2011, the Bulls traded his draft rights to the Utah Jazz as part of the Carlos Boozer sign-and-trade.
On October 31, 2011, Austin signed with British Columbia Kyiv. On November 3, 2012 Austin signed with First Rate (at Lloyd's) Kuwait.
On November 9, 2013, he signed with Kuwaiti club Kazma. On February 3, 2015, Austin signed with KB Peja of the Siguria Superleague and on October 9, Austin signed with Deportivo Valdivia of the Liga Nacional de Básquetbol de Chile (LNB).
On November 14, he was waived by Deportivo Valdivia.