Senior outfielder Lindsey Stewart-Vaughn was the hero for UH softball Saturday, hitting a three-run walk-off homer to lift the Cougars over Tulsa. | Courtesy of UH athletics Houston softball closed out the regular season splitting a four-game weekend series against Tulsa to move to 17-32 heading into the American Athletic Conference tournament. UH split the series opening doubleheader Friday, taking the first game 9-5 followed by a comeback effort falling short to drop the day’s second game 5-3 in extra innings. The Cougars responded Saturday with a 6-3 walk-off victory before dropping the series finale 3-2. Here is a closer look at how each game went down: