Latest NHL Buzz: Trade Talks beyond a rental type deal brewing between Pens, Sabres?

Latest Penguins Buzz

[1. Pens, Sabres talking more than just Kulikov?]
[2.Yakupov available for a 6th rounder]
[3. Rust Latest]
[4. Julien lands massive deal]
[5. Fleury drops on trade bait list]

Multi-player deal being mulled?

Is there more than just a potential rental trade acquisition brewing between the Pittsburgh Penguins and Buffalo Sabres?