‘Tebow’s draft stock could be on the rise in the wake of a workout he held on March 17 at the University of Florida. The 2007 Heisman Trophy winner has been working the past three months on changing his throwing motion, holding the ball higher and not looping it down to his waist on his windup. Tebow displayed that improved, tighter motion at the Gators’ pro day workout. He’s projected to be picked late in the first round or in the second round.’