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 to becoming at minimum a one-game wonder. Mullens has made it look easy in his NFL debut Solomon Thomas Jersey , completing 12 of 17 passes for 167 yards and two touchdowns. Richie James Jr., who caught a 53-yard pass, dropped what should have been a 21-yard touchdown with 25 seconds remaining in the half as the 49ers settled for a 39-yard Robbie Gould field goal.San Francisco embarrassed Oakland in the first half, going to the locker room with a 17-3 lead.Pierre Garcon caught a 24-yard touchdown pass and Kendrick Bourne a 4-yard touchdown. James leads all receivers with two catches for 60 yards.Derek Carr took a beating, sacked four times. Cassius Marsh had 1.5 of the sacks. It marked the first time a Raiders quarterback was sacked four times in the first half since Bruce Gradkowski on Oct. 3, 2010, against the Texans, according to Josh Dubow of the Associated Press.The 49ers entered the game with 16 sacks this season.Carr has completed 11 of 15 passes for 116 yards. Doug Martin, who left briefly to have his hip and wrist examined, has five carries for 30 yards. Teams are stupid to build up their base defense. He’s using that to his advantage." />Skip to main contentclockmenumore-arrownoyesHorizontal - WhiteNiners Nationa San Francisco 49ers communityLog In or Sign UpLog InSign UpFanpostsFanshotsSectionsLibrary49ersOddsShopAboutMastheadCommunity GuidelinesStubHubMoreAll 322 blogs on Horizontal - WhiteFanposts Fanshots Sections 49ers Salary CapLevi’s Stadium Events49ers Transactions49ers Injury News49ers Press Conferences & Conference CallsFiled under:San Francisco 49ers NewsRoster ProjectionsShanahan zigs when they zagNew,153commentsTeams are stupid to build up their base defense. He’s using that to his advantage.PDTShareTweetShareShareShanahan zigs when they zagKim Klement-USA TODAY SportsSam Monson of PFF recently documented just how strong the swing to the pass game — and away from base defenses — is in the NFL:This take is not wrong, but it shows the wisdom of Kyle Shanahan’s scheme — which goes in the opposite direction. He is zigging while everyone else zags, a high-risk, high-reward strategy.Shanahan is building a run-first offense based on the outside zone run and play-action passes. He can force defenses into their base package, which they’re stupid to build up because everyone else is going the other direction. And division rival Arizona is precisely one of the teams not equipped to handle a strong run game. The Niners now have three outstanding backs (Tevin Coleman, Jalen Hurd, and Jerick McKinnon) who can run or receive on any given play. If any of them lines up with FB Kyle Juszczyk in the backfield, how can a team move out of its base defense? But if they stay in their neglected base, Juice can fall back into pass protection, and the team can run four verts on play-action if they want to.If a team plays nickel defense anyway, the Niners will be able to punish them with an explosive running game behind the strong blocking of Juszczyk and TE George Kittle — or flatten the quicker, smaller, lighter linebackers and defensive backs with Deebo Samuel slants, Kittle catch-and-runs, and Jalen Hurd just all over the place.A counter-punching strategy like this has an advantage for roster-building, too. Offensive linemen who are better at run-blocking than pass protection are relatively cheap. Football Outsiders ranked the Niners line as 10th best in the NFL for run-blocking last year, but only 22nd for pass protection. Even at the lowest point of last season, when Beathard was finally benched in favor of Nick Mullens, PFF ranked the team fourth in the NFL in running yards before contact, at 2.05. (Don’t forget that #1 running back Jerick McKinnon was out for the season.)The danger of this strategySo Ahkello Witherspoon Jersey , why doesn’t everybody zag like Shanahan? Because these trends are happening for good reasons, the league goes in one direction because it has advantages, and contrarians give those up, voluntarily. In this case, passing plays are just more productive than runs. Running backs don’t last that long (Todd Gurley might be worn out already). And with any fullback less skilled at pass-catching than Juszczyk — meaning, all other fullbacks in history — you waste a precious roster spot on a guy who might not even show up in the box score. Furthermore, if your run-blocking OL can’t protect your quarterback, you risk him getting injured. We saw what that looked like last year, and it was ugly.Counter-punching is a risky strategy, and it depends on your timing and uniqueness.It’s kind of like selling the stock market short - timing is everything, and you can get killed if you have it wrong. If the current trend is overdone and about to swing back, you’re a genius, and other coaches will start copying you. But if not, you’re fighting the tide, like a kid at the beach frantically reinforcing the walls of their sandcastle as the waves wash it away.There’s also a real danger of letting nostalgia cloud your judgment, especially for Shanahan — the son of a coach who was very successful in the old style.Personnel Problems?This unique scheme depends on players who are skilled in both the run and pass game — hence the pass-catching RBs, Jalen Hurd, and Juszczyk. But when injury strikes, can you replace them? The run-first OL requires a QB who gets the ball out quickly; hence, the improvement last year with Nick Mullens over C. J. Beathard. Also, the college pipeline adapts to the jobs available. How many good FB prospects are there any more? I guess that the Niners picked up TE Levine Toilolo in part as Juszczyk’s backup — a great run blocker with just enough receiving skill to force defenses to account for him.Problems for the defense?There is one more problem with a contrarian offense. Your defense gets its practice reps against your offense, so if you have a unique offense, they won’t be as prepared for the teams they play against.Hopefully, in this case, the offense can just outscore the other team, and this will overwhelm any harm to the defense. Besides, if the strategy works and other teams start copying Shanahan, the defense will be ready to stuff their fledgling attempts.