Defenses this season are willing to take more chances with blitzes on early possessions, their way of forcing offenses to move away from the standard 15-play "script" most attacks follow.
With many teams turning to young head coaches, assistants know they always need to be prepared for every opportunity. But it's hard to be ready for all of the obstacles a first-time head coach will have to overcome.
While many of his former assistants run variations of the West Coast offense, Mike Holmgren uses a form most similar to Bill Walsh's.
Dennis Green's preference in starting Emmitt Smith at RB is based on a trait of the West Coast offense.
Opposing defenses are forced to adapt, mutate or succumb to the ever-evolving West Coast Offense.
John Clayton explains the draft dilemma facing the 49ers and Corey Dillon's angry phone call to a Seattle radio station.