Marks was great at getting penetration. Gotta give him that. He struggled (to say the least) his 1st few seasons but picked it up last year. Remember the Texans game when we were ALWAYS in the backfield? A lot of that was Marks. He has a great initial burst on run plays and often dices through the O-Line. It didn't result in a lot of tackles, but it re-directed the ball carrier quite often last year.