Senior guard Jamel Outler drilled a career-high seven 3-pointers on his way to 26 points.
UT Arlington missed 22 of 31 3-pointers in its home opening loss Tuesday night.
UT Arlington is 7-1 in home openers under Scott Cross.
UT Arlington knocked down 12 3-pointers in beating a Missouri Valley Conference program.
Both are set to join the Mavericks for the 2015-16 season.