The Cougars were swept in a three-set match against SMU at the American Athletic Conference West Division Championship on Sunday in Dallas.
At the top of the first set, SMU held on to a narrow lead, as the Cougars fought to keep the score close.
But, a block from freshman middle blocker Rachel Tullos and sophomore outside hitter Kendall Haywood tied the score at 8-8 early in the first set.
It was a close match until the Mustangs went on a four-point run to increase their lead by six.
Houston could not recover, as SMU cruised through the match, and took the first set 25-16.