A South Texas high school basketball player died after collapsing during a timeout at a tournament in Austin, coaches said. Roma High School junior Robert Garza, 16, was playing in the AAU tournament on Saturday with the Hoopsters, a South Texas club team, when he collapsed without any warning. "It's unexplainable. He got a glass of water. He 'high-fived' Pablo Adame [a Hoopster teammate] and then it just happened. He collapsed," Hoopster coach Arnold Martinez told The Monitor of McAllen. The cause of death was not yet known, Martinez said. Read more: http://sports.espn.go.com/ncaa/highschool/news/story?id=6214255