Silver Nuggets: Mike Hoffman OR Bonafide Top-Four Defenseman?

The Sens may have to give up someone from this young core to get something to help them with their defensive shortcomings. - Jerome Miron-USA TODAY SportsThe Senators need a top-four defenseman. This, by now, looks to be like a fact.

AGM Pierre Dorion is pleased with the Senators place in the standings but knows the team has to tighten up defensively to be playoff threat.

— Wayne Scanlan (@HockeyScanner) November 26, 2015 "It's like in baseball, you can't give a team 37 outs, I think you have to give a team 27 outs," Dorion said. Extra chances can be costly.

— Wayne Scanlan (@HockeyScanner) November 26, 2015 The big question though, is who or what the Senators may have to give up to acquire a…