The 2026 Stanley Cup playoffs continue with four Game 1 matchups on Sunday, featuring teams eager to gain an early advantage. The Colorado Avalanche, who clinched the Presidents' Trophy, will take on the Los Angeles Kings at 3 p.m. ET. The Avalanche swept the Kings in their regular-season matchups, with Nathan MacKinnon leading the team with 127 points this season. At 5:45 p.m. ET, the Tampa Bay Lightning will face the Montreal Canadiens, a rematch of the 2021 Stanley Cup Final, which Tampa won. Nikita Kucherov leads the Lightning with 130 points. The Buffalo Sabres, making their playoff return after a long absence, will meet the Boston Bruins at 7:30 p.m. ET. The Bruins have dominated their season series against the Sabres, winning three of four games. Finally, the Vegas Golden Knights will host the Utah Mammoth at 10 p.m. ET. Despite being a newer franchise, Utah has shown promise against Vegas this season. Saturday’s games saw the Carolina Hurricanes, Minnesota Wild, and Philadelphia Flyers each secure victories in their respective series openers.