I've always been confused by this and REX makes it even worse.

In the 4-3 under the LDT is suppose to be the 1 technique and the RDT is suppose to be the 3 technique. However, in the depth chart they don't reference them as LDT and RDT they reference them as NT and UT which, the way it's set with the DE's looks backwards...... So which DT is actually the LDT in the depth chart?

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UT = under tackle, lines up further from the middle than the NT. 1 technique is the C/G gap and 3 technique is the G/T gap so NT = 1 tech = LDT in 4-3 under, UT = 3 tech = RDT in 4-3 under.

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Detroit Vampires

What he said. Here's what the help file says:

43 Under:

Left Defensive Tackle (T): Lines up in the 1-technique to the strong side of the center, and is responsible for the A-gap on the strong side. Since there are four linemen and the 1-technique tackle is always headed into this gap, he should be a little smaller and more athletic than a true nose tackle.

Right Defensive Tackle (T): Lines up in the 3-technique to the outside of the left guard, and is responsible for the B-gap on the weak side. The 3-technique tackle in a 43 can be a little smaller and more athletic than most tackles and may actually generate considerable quarterback pressure.

The difference between Under and Over is where the 3-tech DT lines up. In Under, the 3-tech is to the weak side of the formation and in the Over the 3-tech is to the strong side. Using the assumption that all offenses are right-handed in the game, this means the strong side is to the defensive left side making the weak side the defensive right side.

So, in the Under, the 3-tech goes to the weak side which is the RDT. The 1-tech guy goes to the defense's strong side which makes him the LDT.

I always considered the NT label in the depth chart to be the 1-tech and the UT as the 3-tech. So whether you run the Under or Over, the UT position in the depth chart would be your ideal 43 Under RDT or 43 Over LDT. I don't think it matters what their exact position designation is (NT, RDT, or LDT) as long as you put the correct skills in the NT/UT positions in the depth chart. I typically don't change a NT to a LDT/RDT position designation in my 43 Over defense, but if I have a NT he usually fits the 1-tech role exclusively.

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I have wondered about this a lot , have no resolution to offer

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Fargo Sodbusters
GM since 2041
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The weights also seem reversed a 1t should be heavier than a 3t but the game has it backwards.

I have. Akinda outlandish theory that the entire D front is backwards in the game but haven't been able to prove it disprove it really.

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Fargo Sodbusters
GM since 2041
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You're right, you would think the 3t would be the lighter of the 2.

He explains everything conventionally but the weight chart contradicts the explanations.

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Reminds me how I've seen conflicting posts on what the "big play receiving" and "getting downfield" bars actually do. To me, it would make the most sense for GD to be running deep routes and BPR would be yards after the catch. I've read some posts that indicate it does work that way. I've also read other posts indicating the opposite.

I like that the metagame ostensibly hasn't been cracked by anyone yet. Otherwise, these types of discussions would be trivial.

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Detroit Vampires

So i think its because the depth chart is set up for the 4-3 over and doesn't "flip" for the Under...... So ill assume the NT is the left DT..... which is opposite of what i have been doing.

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4-3 depth charts are just backwards for the DTs. The 4-3 Over is flipped in the depth chart too.

And depending upon your setting to "Emphasize Exact Position Match" for the defense REX will just place them according to their roster position. At least that's what I found messing around with mine. You also only have one guy who REX identifies as fit for 1-tech so REX might have a harder time filling the spots.

In that last update Jim did fix the weight chart in the defensive philosophy section so it shows correctly for the DTs.

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I think the depth chart is set for the 43 Under.

If it was set for the 43 Over it would be OT and not UT, as the 3t is called the Over Tackle in a real 43 Over front. Additionally, the NT would be next to the RDE in the Over, but even running the 43 Over myself, it shows the NT next to LDE and says UT for the DT spot next to the RDE. It may be semantics but visually it fits a 43 Under layout.

The one constant is the designation of NT which would be the 1t in either version of the 43.

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I'd love to discuss this further on our next live chat. JJ and I discussed this previously (JJ: Mine was set to 1 for both last year - lol) and I was fiddling around with it this week to see what the different settings did and how Rex would arrange my depth chart.

I have a full 70-man roster so there are a lot of options and I Rex'd the depth chart using every setting. I would also deactivate the Starters to make itmore difficult for Rex to find the best player.

I found that a setting of 1 on offense would move people around quite a bit, but settings 2-8 all Rex'd the same. When I analyzed the results it looks like Rex put guys in their optimal spots on the 1 setting and went straight off of their designated position in 2-8 (I stopped testing before I did 9 because of the repeatable results of the previous 8 settings).

In setting 1, Rex placed guys at positions I would place them at given their attributes. For example, a SE I would place at the Z is only placed at Z by Rex at the 1 setting but at X for all other settings. I have a LG and RG that I should probably change their positions because they are backward, but the pass blocking RG only gets placed correctly using 1 and is placed at RG at all other settings. The same went for my run blocking LG.

Defense had more variance and was a mixed bag of what I would do vs. not, but to be fair I have a lot of pass rush options so the variety was harder to track/diagnose. Like the offense though, the 1 setting appeared to be more about optimizing sklll and ignoring position labels.

The real question is how this setting impacts substitutions during a game, as I don't need Rex to set my depth chart. My concern is what Rex does during the game that I have no control over.
You are right. When Ush mentioned it was backward, I looked at what I had copied previously from the help file and it was backward. When you posted this I checked the current help file and it now shows:

43 Under:
Right Tackle: 306
Left Tackle: 315

The LDT in the Under should be your 1t who should be heavier than the 3t.

43 Over:
Right Tackle: 316
Left Tackle: 309

The LDT in the Over should be your 3t who should be lighter than the 1t.

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