Future Game Changers: Khalil Mack

2:30 | College Football
Future Game Changers: Khalil Mack
On Future Game Changers, SI.com profiles the University of Buffalo LB, who is making a big impact on the sport.
SI Apps
We've Got Apps Too
Get expert analysis, unrivaled access, and the award-winning storytelling only SI can provide—from Peter King, Tom Verducci, Lee Jenkins, Andy Staples, Grant Wahl, and more—delivered straight to you, along with up-to-the-minute news and live scores.