PLAYER ANALYSIS
Upper echelon explosiveness with the desire, speed and aggression to find his way into play after play. While UCLA asked Jack to do a little bit of everything, an NFL team is more likely to simplify his tasks and set him into attack mode to maximize his outstanding physical traits. If he bounces back from the knee injury, Jack could become a high-end talent early on in his career.
BY LANCE ZIERLEIN
NFL Analyst