The Panthers acquired a new swing tackle in free agency yesterday, and that should be very concerning to all the current ones.
You don't get a lot of chances in the NFL. You're expected to learn quickly, respond to coaching, and put in the extra effort necessary to make yourself relevant year in and out, regardless of how long you've been around. The Panthers made a big statement yesterday by signing veteran OT Willie Smith, one that should ring clearly in the ears of David Foucalt and Donald Hawkins.
Let's not get things twisted.