Calgary Flames, Flames Prospects, Hockey News, Mace'o Phillips, Matvei Gridin, Owen Say 3 Standouts From Calgary Flames’ Prospect Showcase September 16, 2025 Cody Gzowski Leave a comment Over the weekend, the Calgary Flames and Edmonton Oilers pitted their prospect pools against one another in the NextGen Showcase, with the first game played in Edmonton on Saturday, Sept.…