By Mike McDaniel Texas State closer Tristan Stivors made the “horns down” gesture after upsetting No. 1 Texas. View the original article to see embedded media. After Texas State closer Tristan Stivors struck out Texas star Ivan Melendez to seal the Bobcats’ monumental 6–4 upset of No. 1 Texas on Wednesday night, Stivors threw one of the most vigorous “horns down” gestures in recent memory. The “horns down” gesture became a hot topic on the gridiron last fall, after the Big 12 reprimanded programs in the conference and threatened penalties for any school that had players make the gesture during…