... Bills' biggest need on defense going into the draft was simple: Replace Keith Ellison at outside linebacker.

Drafting a rotational defensive tackle and acquiring depth at linebacker were also needs, but upgrading Ellison reigned supreme.

After the switch, with Ellison no longer even a remote possibility to enter the starting lineup, the focus on the defensive side of the ball turns to the nose tackle position, where currently Kyle Williams is the starter.

Now, do not misinterpret this article. Williams is a terrific football player, there is no denying that. But at 6'1", 306 lbs, he certainly does not fit into the prototypical nose tackle category.

With that in mind, nose tackle has become a position likely to be address...

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