According to Jordan Senn's twitter, the Panthers have opted to re-sign the linebacker to terms unknown. Senn was signed off waivers towards the end of the 2009 season and he's primarily been a special teams player since then. However, after a plethora of injuries to the team's linebacking corps, Senn started seven games as the team's weakside linebacker last season and filled in admirably. 

He had 66 tackles in the seven games he started last season and 71 overall. He also had an interception and forced three fumbles. That is a very impressive line for a guy who was a third stringer beforehand. The team lost some depth with Dan Connor signing with the Dallas Cowboys, so keeping Senn around is a good move, especially after the way he played at the end of last season.

Senn is a very solid run defender, but pass coverage is the one area that he struggles in, and he was forced to play that role a lot as the team's weakside linebacker. In the game against Tampa Bay where I tracked pass coverage stats, every ball thrown Senn's way was caught and he allowed a few first downs, as well. I expect this to be an area that he works on during the off-season but he's 27 and pretty small for a linebacker so his ceiling probably isn't too high.

Still, keeping Senn around is a good move for the Panthers because the team knows that they can count on him to fill in if one of their linebackers goes down. It'll be even better if he can improve his pass coverage skills.