Tarnasky played last season in the Kontinental Hockey League, where the forward racked up 12 points and 137 penalty minutes in 26 games.

Brennan will be back for another year. The 23-year-old defenseman spent most of last season in Rochester, where he scored 30 points in 52 games for the Amerks.

Brennan was the Sabres second round pick in 2007. He played 11 games in the blue and gold last year, and scored one goal.