The National Football League, however, is not that kind. It is a cold, hard wasteland with the remnants of philosophies strewn between 100 yards. Each coach has a starting point, but the best coaches are the ones that are able to be flexible enough to change to the realities of the NFL.
The 49ers are familiar with Bill Walsh and the West Coast Offense he made famous in San Francisco. That offense, however, was borne out of need. Walsh lost his strong-armed quarterback and had to change his approach when his personnel changed.
We see this pattern repeated in the NFL. When a good coach sees a strength, they game plan to accentuate that strength. Ken Wisenhunt came from an offense that stressed the run. However in Arizona he knows that his team is built to pass - so pass he does. This season, Arizona is throwing the ball 64% of the time and they are off to a 7-3 start with the 10th best scoring offense in the NFL. During the Patriots' 16-0 campaign in 2008, Belichick relied mostly on the pass, a departure from the balanced attack he employed in 2007. What accounted for this difference? Randy Moss. In 2007, Reche Caldwell led the team with 61 receptions, and in 2008 the addition of a deep-threat like Moss allowed Belichick to open up the arial floodgates.
The 49ers have a quarterback (Alex Smith) who ran the spread offense out of the shotgun in college. They have a wide receiver (Michael Crabtree) who excelled in the spread offense at Texas Tech. They have arguably the best receiving tight-end in the league (Vernon Davis). They have a running back who has expressed enthusiasm at the running lanes the shotgun formation produces (Frank Gore). Even more, the team has success when they employ a spread attack. And yet, for an entire half of putrid offensive football in Green Bay, the 49ers continually tried to be something they weren't.
Once a coach has set the direction, it's critical that there be some consistency in the scheme. Is is no coincidence that of the top 10 offenses based on Football Outsiders DVOA rankings, only Baltimore has been under the same head coach for less than 3 years.
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Really, this underscores a fundamental problem with the 49ers underlying structure. In looking at the top offenses, 7 of the teams (IND, NO, PHI, BAL, MIN, GB, ARI) are led by offensive minded coaches. This is where consistency comes into play. When an offensive-minded coach takes over a team, coordinator turnover is not a huge concern. The coordinator mostly runs the scheme and system the head coach dictates. In many cases the coach calls the plays. As long as the head coach is there, the terminology and fundamental system stays consistent.
Therein lies the problem with hiring a motivator as a head coach. He is dependent on his offensive coordinator for an offensive system. With Martz. Mike Singletary had one system. With Raye, another. If Singletary decides that Raye is not the answer, he has to find yet another coordinator with a different system and different terminology.
The fact is, the NFL is moving towards an league that heavily favors offense. You can barely touch the quarterback without a fine. Defenders are routinely called for pass interference when they commit the same acts that offensive players do every play. Holding is legal, as long as it is within the shoulder pads. The NFL is structured to favor the pass for one simple reason: It is more exciting and draws more viewers. Fans don't want to see Trent Dilfer manage a game while the team runs the ball. Fans want to see Peyton Manning and Drew Brees air it out weekly while putting up 30 points a game.
League rules favor the pass, and teams that can take advantage of those rules rack up more wins. The leagues division leaders this season hold the top 7 of the top 8 spots in passing efficiency based on DVOA (http://www.footballoutsiders.com/stats/teamoff). The only team out of the top 8 is Dallas, and their 7-6 win over Washington displayed the problems they will have keeping the Eagles and Giants at bay over the course of the season.
Sure teams have to be able to run the ball, but it is not necessary. San Diego has the leagues 5th ranked offense, based on DVOA. However, they only have the 28th ranked rushing attack. And yet, they still lead the AFC West with a 7-3 record. Arizona's run game is ranked 22nd (again, based on DVOA), while Indy and Minnesota are 14th and 19th respectively. The NFL's elite teams have to be able to pass the ball, but they don't necessarily have to be able to run the ball.
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