Oliver Ekman-Larsson, Evan Rodrigues and Barkov each had a goal and an assist, and Sergei Bobrovsky made 25 saves for the Panthers.
Anthony Mantha scored twice, Connor McMichael had a goal and an assist and Aliaksei Protas had two assists for the Capitals.
Tim Stutzle added a goal and three assists and Jakob Chychrun had a goal and an assist for Ottawa.
William Nylander had a goal and an assist for the Maple Leafs, stretching his season-opening point streak to 13 games.
Tyler Bertuzzi and Nicholas Robertson also scored goals, while John Tavares added two assists and Joseph Woll made 21 saves for Toronto.
Persons:
Sam Reinhart, Darcy Kuemper, Geoff Burke, Reinhart, Aleksander Barkov, Oliver Ekman, Larsson, Evan Rodrigues, Sergei Bobrovsky, Anthony Mantha, Connor McMichael, Aliaksei Protas, Anze Kopitar, Cam Talbot, Angeles, Adrian Kempe, Trevor Moore, Pierre, Luc Dubois, Spence, Kopitar, Luc Robitaille, Marcel Dionne, Dave Taylor, William Karlsson, Adin Hill, Dominik Kubalik, Claude Giroux, Tim Stutzle, Jakob Chychrun, Mathieu Joseph, Giroux, Joonas Korpisalo, William Nylander, Tyler Bertuzzi, Nicholas Robertson, John Tavares, Joseph Woll
Organizations:
District of Columbia, Florida Panthers, Washington Capitals, Capital, USA, Panthers, Capitals, Golden Knights, Los, Vegas, Senators, Maple Leafs, Ottawa, Toronto, Thomson
Locations:
Washington, District, USA, Barkov, Vegas, Las Vegas, Los Angeles