UTA and Oklahoma meet for the first time since 2008 in the tournament's first round.
UT Arlington has found dependable points in freshmen Guanarteme Nuez and Mauricio Del Rio this season.
UT Arlington claimed its first Sun Belt Conference Championship and first title since taking the Southland Conference in 2006.
UTA's championship is the first for the Mavericks since winning in the Southland Conference in 2006.
The Mavericks will face the winner of Appalachian State and South Alabama at 2 p.m. on Sunday.