Originally Posted by Texian
BO'B is a Belichick Earhardt-Perkins disciple. Therefore the WCO and the ZBS are out. Most of the Texans OL were drafted because they were more suited (more athletic vs bigger, stronger) for the ZBS.
FWIW, I heard two different people on the radio yesterday (McClain and Zierlein, IIRC) say that O'Brien primarily ran/runs ZBS.