CHARLOTTE — When you're practicing against your own guys, even when you're going hard, you're still going against your own guys.

On Wednesday, the Panthers got to go against someone else.

Of all the changes the Panthers made this offseason, the most drastic might have been the work put into shoring up the run defense.

After employing too many sub-300-pounders up front last year and linebackers who were signing on Tuesday and starting on Sunday, they worked aggressively to fix a number of problems this offseason.

That included their first day of free agency splurge, which included defensive tackle Bobby Brown III to add an anchor to the middle between Derrick Brown and A'Shawn Robinson . Then they signed an edge-setter who can also rush the passer in Patrick Jones II , a downhil

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