Ottawa Senators center Mark Kastelic (12) watches his goal past Washington Capitals goaltender Charlie Lindgren (79) in the second period of an NHL hockey game, Sunday, April 7, 2024, in Washington. (AP Photo/Alex Brandon)
Ottawa Senators right wing Claude Giroux (28) prepares to shoot with Washington Capitals goaltender Charlie Lindgren (79) defending in the second period of an NHL hockey game, Sunday, April 7, 2024, in Washington. (AP Photo/Alex Brandon)
Washington Capitals left wing Max Pacioretty, center, celebrates his goal with left wing Sonny Milano (15) and center Hendrix Lapierre (29) in the first period of an NHL hockey game against the Ottawa Senators, Sunday, April 7, 2024, in Washington. (AP Photo/Alex Brandon)
Washington Capitals center Connor McMichael (24) and Ottawa Senators defenseman Erik Brannstrom (26) battle for the puck in the first period of an NHL hockey game, Sunday, April 7, 2024, in Washington. (AP Photo/Alex Brandon)
Ottawa Senators right wing Drake Batherson (19) and Washington Capitals defenseman Martin Fehervary (42) collide and send linesman Jesse Marquis, center, into the bench area in the second period of an NHL hockey game, Sunday, April 7, 2024, in Washington. (AP Photo/Alex Brandon)
Washington Capitals goaltender Charlie Lindgren (79) blocks a shot with Ottawa Senators center Mark Kastelic (12) nearby in the second period of an NHL hockey game, Sunday, April 7, 2024, in Washington. (AP Photo/Alex Brandon)
A goal by Ottawa Senators defenseman Jake Sanderson (not shown) goes in past Washington Capitals goaltender Charlie Lindgren (79) and center Connor McMichael (24) in overtime of an NHL hockey game, Sunday, April 7, 2024, in Washington. (AP Photo/Alex Brandon)
Washington Capitals defenseman John Carlson and his family pose for a photo during a ceremony to mark his playing in 1000 career NHL games before a hockey game against the Ottawa Senators, Sunday, April 7, 2024, in Washington. (AP Photo/Alex Brandon)
Ottawa Senators goaltender Joonas Korpisalo (70) knocks the puck away from Washington Capitals center Hendrix Lapierre (29) in the first period of an NHL hockey game, Sunday, April 7, 2024, in Washington. (AP Photo/Alex Brandon)
Teammates celebrate the winning goal by Ottawa Senators defenseman Jake Sanderson (85) after an NHL hockey game against the Washington Capitals, Sunday, April 7, 2024, in Washington. (AP Photo/Alex Brandon)
Washington Capitals left wing Alex Ovechkin (8) passes the puck with Ottawa Senators left wing Parker Kelly (27) defending in the second period of an NHL hockey game, Sunday, April 7, 2024, in Washington. (AP Photo/Alex Brandon)