If Sabres are sellers, who could be on the move?

BUFFALO, N.Y. (WIVB) — The Buffalo Sabres appear to be sellers once again leading up to the Feb. 29th NHL trade deadline, barring an unforeseen playoff run.
Sabres GM Tim Murray said as much to ESPN.com earlier this week, noting his intent to try to move veterans – especially those with expiring contracts – for younger pieces if such an opportunity presents itself.
The Sabres have five expiring contracts on the roster: Goaltender Chad Johnson, forwards Jamie McGinn and Dav