jones up 1.5% right now. >>> a kentucky clerk again refusing to issue a marriage license to a gay couple, kim davis says handingut the licenses is against her religious belief, so she is defying a supreme court decision. >>> and los angeles cut its water usage by 21% in july. that's better than the 16% the state requested. >>> they are very adult injuries now affecting kids, an intense sports culture leading to young people getting hurt on the field. ashar qureshi reports. >> reporter: this 17-year-old high school senior has always thrown the ball hard. but last year while pitching in a tournament, he felt something pop. >> i felt a sharp pain on a pitch, and then, you know, didn't have any velocity on it, and it was ten feet in the dirt, and a couple of weeks later i had an mri and it showed i had a partial tear. >> reporter: months later, surgery became necessary to save his virgining baseball career. you rested it, you rehabbed it, and then it got to the point where you needed surgery. >> he said there was probably a lot of scar tissue in there that wouldn't hold up or heal. so the only option to keep playin