Rookie Khalil Mack quietly is having a great season

Daily Raiders blog for NBC Bay Area website: Khalil Mack hasn't had a sack yet, but he ranks No. 1 in the NFL among all linebackers against the run. Even opponents are noticing. http://www.nbcbayarea.com/news/sports/Quietly-Raiders-Mack-is-Becoming-a-Difference-Maker-280520862.html