{"id":226182,"date":"2026-04-23T10:22:59","date_gmt":"2026-04-23T17:22:59","guid":{"rendered":"https:\/\/sports.betmgm.ca\/en\/blog\/?post_type=article-new&#038;p=226182"},"modified":"2026-04-23T11:45:14","modified_gmt":"2026-04-23T18:45:14","slug":"biggest-first-round-upsets-in-nhl-playoff-history-ranked-bm22","status":"publish","type":"article-new","link":"https:\/\/www.betmgm.ca\/en\/sports\/blog\/nhl\/biggest-first-round-upsets-in-nhl-playoff-history-ranked-bm22\/","title":{"rendered":"7 Biggest First-Round Upsets in NHL Playoff History, Ranked"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">I profile the seven biggest first-round upsets in NHL playoff history, many of which involved the Presidents\u2019 Trophy winner. 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