Jason Spezza also scored two goals and added an assist, as the surging Senators closed to within three points of the first-place Sabres in the Northeast Division.

Spezza has scored in seven consecutive games, including five since returning from a right knee injury.

Andrej Sekera and Tim Connolly scored 27 seconds apart to tie it in the third period for the Sabres, who lost their eighth in a row to Ottawa.

Blues 3, Blackhawks 2: In Chicago, David Backes scored twice during a three-goal second period as St. Louis edged Chicago.

Chris Mason made 32 saves for the Blues, who scored three times in the final 8:26 of the second to spoil Chicago’s first game at home after a two-week, eight-game road trip.

Jay McClement also had a goal for the Blues. Patrick Kane and Marian Hossa scored for Chicago.