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After a 3-1 defeat at Fulham in September, Howe pulled Isak aside and told him to knuckle down.—George Caulkin, New York Times, 11 Sep. 2025 European countries need to knuckle down and increase their military capabilities while Russia is still dedicating a chunk of its forces to its invasion of Ukraine, Sweden's defense minister has said.—Ellie Cook — Reporting From Prague, Czech Republic, MSNBC Newsweek, 3 Sep. 2025 There is every chance Pepi may decide to knuckle down and keep pushing De Jong, as PSV chase a successful defense of their title and progress in the Champions League.—Jeff Rueter, The Athletic, 14 Jan. 2025
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