Senators edge Sabres in SO

Bobby Butler scored in the fifth round of the 2 win over the Buffalo Sabres.

Chris Neil and Matt Carkner scored for the Senators, who got 26 saves from Craig Anderson.

Brad Boyes and Paul Gaustad tallied for the Sabres, who have lost three straight games.

Jhonas Enroth stopped 44-of-46 shots in defeat.