UTA erased a 2-0 deficit in the match, but a 15-12 5th set gave the match to Texas State.
UTA out-hit, out-dug and out-blocked Georgia Southern in the four-set win.
UTA out-blocked and out-dug GSU in the four-set victory at College Park Center.
The Mavericks out-dug Louisiana 9-2 in their Sun Belt Conference opener.
UTA has clinched a winning nonconference record for the sixth time under Seymour.