Drake Batherson's (18) two-goal night helped the Senators defeat the Boston Bruins 6-3 as their win streak is now extended to five.
The gutted Bruins, who saw a lot of players leave during the trade deadline, have now lost the season series to the Senaros 1-3.
Ottawa now holds a five-point lead as the top Wild Card team in the Eastern Conference and are just five points away from leaping the Tampa Bay Lightning in the Atlantic Division.
Devils 3-2 Oilers
Despite being down 2-1 in the third period, goals from Jesper Bratt (19) and Simon Nemec (1) got the Devils past the Oilers for their third straight win.
Forward Jesper Bratt now has three points in two straight games with two goals and four assists as the Devils will need to lean on him after their star, young player Jack Hughes was ruled out for the season.
Connor McDavid earned his 59th assists of the season on teammate Leon Draisaitl's league-leading 47th goal, but it wasn't enough as Edmonton dropped their second straight and third of the last give.
Flyers 4-3 Lightning
The Flyers held the Lightning to just 20 shots in their second win over Tampa Bay this season.
Despite Bobby Brink's (10) two goals, Cam Atkinson (4) scored the lone goal in the third period for the Lightning to send it to overtime where both teams failed to score.
Flyers standout rookie Matvei Michkov scored the first goal of the shootout before veteran Brayden Point evened it up. It took two misses from each team before Owen Tippett finally scored the game-winner for Philly - breaking the five-game losing streak.
Around the league
Adin Hill put up his fourth shutout of the season as the Vegas Golden Knights took down the Columbus Blue Jackets 4-0.
Despite being outshot 36-22, the Pittsburgh Penguins defeated the St. Louis Blues 5-3 to extend their winning streak to three.
The Florida Panthers squeezed by the Toronto Maple Leafs in a 3-2 win thanks to a pair of power play goals from Sam Bennett (22).
Meanwhile, the New York Rangers took down the Minnesota Wild 3-2 in overtime, breaking their four-game losing streak.