He was subsequently drafted 16th overall in 2001 by the Charlotte Hornets, with whom he played a reserve role for two years during the team's transition to New Orleans.

His college career took place under head coach Bob Knight and Mike Davis at Indiana University where, in the 2000–01 season he led the Big Ten Conference in scoring and was a third-team All-American selection.

In the 2000–01 season, Haston's buzzer-beating three-pointer helped IU beat the defending champion and top-ranked Michigan State 59–58 at Assembly Hall.

During his sophomore year, he lost his mother, Patti Kirk Haston, 48, in a tornado that hit the county seat, Linden, Tennessee on May 5, 1999.

He and his wife Kasey soon returned from Sicily to Middle Tennessee when he was waived due to a right knee injury prior to the start of the season.

[5] In 2023, Haston supported a resolution to expel three Democratic lawmakers from the legislature for violating decorum rules.