Jessica Pegula was a big fan of the feisty 4 Nations hockey clash between USA and Canada which saw three fights break out in just nine seconds.

Canada and the United States, whose inaugural fight-filled showdown set off emotional and political fireworks, meet for a rematch in Thursday's NHL Four Nations Face-Off tournament final.

Canada's neighborly dispute with the U.S. adds a new chapter to it Thursday in the 4 Nations Face-Off championship game at TD Garden in Boston. The matchup represents the culmination of the 4 Nations Face-Off international ice hockey tournament,

A heated brawl broke out between American and Canadian hockey players during a game after the U.S. national anthem was booed by fans. As the anthem played, Montreal fans were heard jeering, and tensions quickly escalated—resulting in a fight just nine seconds into the game.