The Stanley Cup playoffs continu on Monday with four games.
Bobby Ryan scored the game-winning power-play goal at 5:43 of overtime as the Ottawa Senators defeated the Boston Bruins 4-3 on the road and took a two-games-to-one conference quarterfinal series lead.
Mike Hoffman scored twice (once on the power play) for the Senators.
Tyler Bozak scored the winning goal at 97 seconds of overtime as the Toronto Maple Leafs overcame a two-goal deficit to upend the visiting Washington Capitals 4-3 in game three of their conference quarterfinal series and take a two-games-to-one series lead.
At Nashville, Tennessee:
Kevin Fiala scored the game winner at 16:44 of overtime as the Nashville Predators came back from two goals down to knock off the visiting Chicago Blackhawks 3-2 in game three of their first-round series.
The Predators, with their first-ever three-games-to-none series lead, can close out the Blackhawks (the Western Conference's top seed) with a game-four home victory in Nashville on Thursday night.
At Calgary, Alberta:
Corey Perry scored 90 seconds into overtime as the Anaheim Ducks overcame a three-goal second-period deficit and upended the Calgary Flames 5-4 in game three of their conference quarterfinal series.
The Ducks, who now lead the series three games to none, can close out the Flames with a game-four victory on Calgary ice this coming Wednesday.