UTA is headed to the Sun Belt Championship as the fifth seed, with the opening game Wednesday.
The Mavericks dropped to 16-13 overall and 10-9 in the Sun Belt Conference.
UT Arlington beat the Ragin' Cajuns 84-69 earlier this month in Lafayette.
The Mavericks (13-9, 7-5) lead the Bobcats (11-11, 5-8) in the league standings.
UTA coach Scott Cross won his 150th career game and the Mavericks ended a two-game losing streak.
Prior to UT Arlington