Eric DeCosta just blew the door wide open for bombshell Panthers splash

Baltimore Ravens general manager Eric DeCosta | Stacy Revere/GettyImagesDan Morgan is an opportunistic roster builder. The Carolina Panthers are in good hands with the cerebral general manager, but even though they remain firmly in the NFC South title picture at the bye week, there is a lot of hard work ahead.

This offseason represents the third phase of Morgan's master plan to get the Panthers back into contention. Some areas of the roster are solidified. Others need strengthening considerably. There are also a few unknowns thrown into the mix, with the current tight end dynamic being one of them.

Tommy Tremble has thrived in a more blocking role. Mitchell Evans is flashing promise as a…