The 4-3 is back, like it never sort of left and then really really left against Purdue and then came back and then altered into a slightly different version of itself and then mutated into a bizarre thing that was like the thing against Purdue but wasn't really because the person doing the mutating spent all his time watching his "Best of Just For Men Commercials" DVD. It will not suddenly be replaced by things that start with the number 3 and end with razorblades and pain. In the long term, this is delightful.
In the short term… eh… there might be some issues. This series is an attempt to fit Michigan's noses, ends, spurs, bandits, spinners, deathbackers, doombackers, dipbackers and frosting-covered gnomes into their new homes.
The defensive line appeared last week. This post covers linebackers, hybrids, safety-type objects, and, you know, whatever. There will not be a post covering the secondary since it shouldn't change much [Ed-M: he means in their job descriptions -- back away from the ledge...].
What we were forced to watch last year
God, who knows? Let's go back to that Wisconsin screenshot from the last post:
So. You've got Kenny Demens, the MLB, lined up about a yard behind the nose tackle. The nominal SLB, here JB Fitzgerald, is actually lined up to the weak side. The nominal WLB, Jonas Mouton, is lined up to the strong side and gets to line up a little bit deeper. Michigan compensates by drawing cornerback Courtney Avery into the box as a sort of Bieber-backer and half-rolling Kovacs down into the box. You can see Cam Gordon's feet to the top of the screen, covering the slot receiver.
Questions immediately pop to mind: why? what? argh? This was not really a 3-3-5, at least not one as run by Jeff Casteel. This was covered in an extensive picture pages after Penn State obliterated Michigan's defense in the game that was the beginning of the end, but it seemed like Michigan was keeping Demens in the same place in all formations. Here's 4-3 and 3-4 alignments:
Demens spent his year a yard or two back of a nose tackle, shaded to one side. Casteel MLBs lined up 5-7 yards deep and ran like demons to wherever the play is going; Demens got swallowed by unblocked guards through no fault of his own and left Michigan vulnerable to counter after counter.
And then in addition to the 4-3, 4-4, and 3-4 looks above we also got some glimpses of something that actually looked like a 3-3-5, except with two deep safeties and the MLB still too close to the LOS:
So the answer to the strangled yelps of misery was "Michigan ran everything… terribly."
Outside of Demens, Mouton spent the year as the WLB (apparently unless teams were putting twins to one side), where he ran down stuff, plowed fullbacks at the line, crushed blocks to make great individual plays, and lost contain over and over. The SLB was some combination of Craig Roh, JB Fitzgerald, and Obi Ezeh. All were confused, slow, prone to get lost in space, and ill-suited for the spot.
Further outside yet, Carvin Johnson, Thomas Gordon, and Cam Gordon split time at the spur with the larger Gordon seeming to lock down the position after his move from free safety(!). Yes, Michigan's starting free safety ended the year as essentially a strongside linebacker. Jordan Kovacs's role as a tiny weakside linebacker was actually more safety-ish than people thought it would be, but he still rolled down into the box plenty.
What we were forced to watch the year before
Michigan was a 4-3 under similar to the one above. Here's that shot from the 2009 Iowa game again. While the line isn't undershifted it does provide a canonical example of what the linebackers usually do in the system:
Now we're looking at the linebackers so note that Stevie Brown is lined up right outside of SDE Craig Roh, ready to take on a tight end. The other linebackers are at the same depth (five yards) lined up over the guards. Michigan's rolled SS Mike Williams into the box. Iowa ends up running a zone stretch right at Brown; he keeps contain and allows Mouton/Ezeh to flow over the top of Roh, blow up the fullback, and make a TFL.
There wasn't much else as far as the linebackers. Brown hung out around tight ends and slot receivers all year and the two MLBs were pretty much just MLBs. There weren't dudes at different depths, dudes moving all over the place, dudes playing 4-3 on one snap, 3-3-5 on another, 3-4 on another. The LBs lined up five yards deep over the guards, end of story*.
*[of course this is not literally true, but on the vast bulk of snaps this occurred.]
What can't possibly be quite as bad next year
Again, the assumption here is that Michigan is going to be running a 4-3 under similar to what they did in 2009. This assumption is an easy one to make since the head coach said it point blank. Details on what that means for the line—the "under" bit—can be found in the first post in the series.
As for what that means for the associated linebackers, look above. Against pro-style teams one linebacker will roll down to the TE side of the LOS and the other guys will hang out about five yards off the LOS.
What you need at each spot
To refresh your memory, here's an aerial view of a 4-3 under:
The strongside linebacker needs to be a magical athlete made out of beef and lightning who can take on a TE effectively, contain runs, and move out into the slot to cover little buggers. Oh and if he's an awesome pass rusher that would be cool too. So Lamarr Woodley except faster. Maybe Shawn Crable or Prescott Burgess. Failing that, teams pick one of two paradigms and make do:
- Lumbering quasi-DE sort of like Roh who can take pressure off the SDE and do more than just force running plays inside of him when matched up against a TE.
- A sort of super strong safety who may not be able to take on TEs except by setting up outside of them but is a fantastic tackler in space and a guy who doesn't have to come off the field when opponents go to spread formations.
When Greg Robinson wasn't denying its existence, the "spinner" was obviously concept #2. Stevie Brown had an excellent senior year doing that. Johnny Thompson was concept #1, and that burned Michigan badly. With passing attacks so effective these days most teams are moving towards #2. If you worried they'll go with #1, don't be: they don't have anyone on the roster who can plausibly be that guy.
The middle linebacker is a middle linebacker. In the under he has to expect more blocks since usually the bubble in the line is the guy lined up directly over him, so he has to be smart about where his help is and funnel guys back inside. Quick decisions and the quickness to get on the side the OL doesn't want you on are at a premium.
The weakside linebacker is a weakside linebacker. He's protected by the three and five tech, usually gets a free run at someone or another, and has to be an athletic tackling machine plus blitzer. Mouton, basically.
Or at least that's the book. In reality it's nowhere near that neat. The Iowa play linked above that shows Ezeh charging downhill at a zone stretch, getting outside of the fullback, and allowing Mouton to tackle is a canonical example of the responsibilities these guys have:
Everyone says the MLB is going to deal with a blocker and the WLB is going to have the play funneled back to him. This is what happens here. But in truth I think the differences between the two guys are overblown. On the losing contain play it's Mouton who needs to deal with a blocker and funnel back to his buddy. Plenty of times throughout the year it was Demens picking through trash to get to ballcarriers or Mouton thundering into a fullback at the LOS.
I think of the 4-3 under as something halfway between a 4-3 and a 3-4. The SLB and WDE are kind of versions of 3-4 OLBs—playmakers who can drop into coverage or blitz. The one-tech DT is sort of a version of a 3-4 NT. He doesn't need to control two gaps, but he's a big guy who needs to eat up two opponents. Etc. In a 3-4 the MLBs are interchangeable. That's not quite the case here but the two MLBs are more alike than different in the under, especially with all the shifting and motion teams employ in an effort to get you off balance and maybe force that WLB to take on a block or that MLB to run. Playing SLB is a different world entirely.
And since it seems silly to break out another post for one position that's changing, the strong safety wants to be Jordan Kovacs running a 4.5 at 220 pounds. What Kovacs did with Michigan last year will be about what the strong safety does next year—the "bandit" thing was overblown. Kovacs played plenty of deep half zones over the course of the season. He also rolled up to the line and blitzed, covered tight ends in man, etc. He was a strong safety on a team that was aggressive with its safeties.
Who goes where
Kenny Demens is the middle linebacker. Attempts to replace him with Obi Ezeh will be thwarted by a pucky band of kids ripping off the Mattison mask, etc.
On the strongside Cam Gordon is the clear leader after finishing the year as the "spur" in Michigan's 3-3-5. That is a very close analogue to the SLB in a 4-3 under. The guy next to you is still a strong, run-defending DE with a little more pop than a 3-4 end. You're still taking on tight ends against run and pass… unless you're getting dragged into the slot. Gordon's got the biggest frame of any Michigan linebacker, ballooning and buried Isaiah Bell aside, and can put on a lot of beef over the offseason to help him in his dual roles as tight end defender and roving punch-the-slot-in-the-face guy. He's got a season's worth of starting experience. He'll have to fight for it but he's got the edge.
This is where the linebacker who wasn't Demens or Mouton probably ends up competing, so seniors Brandon Herron and JB Fitzgerald are tentatively slotted as the competition. Neither has done much so far. Other options here include the other two freshmen spurs, but Thomas Gordon and Carvin Johnson might be needed elsewhere.
Michigan has a surfeit of options on the weakside, where Michigan's attempt to move to the 3-3-5 has left them with a zillion kinda-sorta safeties who can run and maybe, hopefully tackle. Pick any underclassman listed at strong safety on the depth chart by class and there's a 50-50 chance you'll see him competing at WLB in spring. Mike Jones was Mouton's primary backup and seemed to be the leader in the race to replace him, but one season-ending injury later he's just another guy with no experience. He joins Josh Furman and Marvin Robinson in that group. Also, this could be the landing spot for the little Gordon or Johnson.
Some of these guys are ticketed for safety, but we won't know which ones until spring. Robinson and Johnson bounced back and forth as freshmen; Thomas Gordon spent his redshirt year there before getting the call at spur last spring. If you put a gun to my head I'd say Johnson and his tackling win the job, but this could be any of a half-dozen guys.
At strong safety, heroic efforts will be made to dislodge Jordan Kovacs. They will fail. The effort will be provided by some combination of Robinson, Thomas Gordon, and Johnson.
Awkwardness Rating On A One To Rodriguez-Interviews-Hoke Scale
Like the defensive line, operating in a 4-3 makes fine sense for Michigan's personnel. Ironically, it's the exotic wing guys with funny names who fit most neatly in to the new scheme, since they'll be doing pretty much what they were doing before. The biggest adjustment will be from the two middle linebackers, except the two middle linebackers did just fine as 3-4/4-3 guys—Demens, in particular spent two years playing MLB in 4-3 under schemes before last year's experiment.
Really, anything but the 3-3-5, especially the Robinson version, should be better. Michigan had their best day as a rush defense against Iowa when they replaced Ezeh and ran—drumroll—various 4-3s and 3-4s most of the day. Iowa couldn't get anything Jibreel Black being a freshman or Jonas Mouton losing contain didn't give them.
When they went to the bizarre non-stack it allowed Evan Royster to go from massive disappointment to massive disappointment with his usual billion yards against Michigan. In doing so stripped Kenny Demens of the ability he showed in previous games and put a ton of pressure on Mouton to do the contain thing he doesn't do so well. I don't think I'll ever understand it.
After a year of being "multiple" and cratering Michigan needs to establish a baseline defense that might be predictable and medicore but at least gives everyone on the team an idea of what they do, and if Gordon develops they should be fine in the front seven save the scary lack of depth on the DL.
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