3-4 or 4-3 Under?

What’s the correct name for the 49ers’ base defense: 3-4 or 4-3 Under? If you’ve never heard of the 4-3 Under, click here to read a detailed explanation of it. The article says George Seifert used the 4-3 Under when he was the defensive coordinator for the 49ers. His defense looked like a 3-4 because the weakside defensive end rushed from a standing position, a two-point stance. Here’s a description…

April 6, 2013
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