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Panthers mailbag: What to do at tackle?

The Carolina Panthers have given defensive end Greg Hardy the franchise tag and left tackle Jordan Gross has retired.

But wide receiver Steve Smith is miffed that management didn't talk to him before publicly saying his role for 2014 is under review, and there still are 18 unrestricted free agents unsigned.

In other words, there are a lot of questions out there for my Saturday mailbag. Let's get to it: