Here are three things to know for Sunday:
Sens need elusive win in Toronto
The Senators head to Toronto to compete in a building that has not been kind.
Despite the season series being even, the Maple Leafs have won five straight at home against Ottawa, including a 4-3 come from behind overtime victory on Mar. 28.
Both teams required extra time to settle Saturday's games. Senators goalie Andrew Hammond improved his record to 17-1-1 with a 4-3 overtime win over the Washington Capitals.
Toronto didn't help Ottawa with their playoff push, falling to the Boston Bruins in a 2-1 shootout loss.
Ottawa still in close race
With four games remaining, the Ottawa Senators are still alive in a tight Eastern conference playoff race. They currently sit three points away from third in the Atlantic division and the final wild card spot.
That's how close it is heading into the final week of regular season action.
They have a game in hand on Boston, who occupy the East's final wild card position. A Detroit Red Wings loss on Sunday afternoon would also help matters for the Senators.
A defeat at Toronto would be a huge blow to their chances.
Canadiens need to address power play
The Montreal Canadiens are securely in the playoffs, but the team needs to deal with their abysmal powerplay if they want a deep run this year.
They have three games remaining to try to work out the kinks. Montreal's powerplay on the road is 29th in the league with a 10.8 per cent success rate.
They only scored on one of six chances in a 3-2 shootout loss at New Jersey on Friday. The loss included a squandered opportunity to put the game away with an overtime powerplay.
Montreal ends it's two-game road trip in Florida. The Panthers were eliminated from the playoffs after Saturday's 4-0 loss to Tampa Bay, so they will be playing for pride against the Canadiens.
Montreal took the last meeting 3-2 in overtime thanks to Max Pacioretty's game-winner on Mar. 28.
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