Asan Sarkenov, Hockey News, Michal Kunc, Miko Matikka, Sam Lipkin, Utah Mammoth, Utah Mammoth Prospects 3 Takeaways From Mammoth’s 5-3 Rookie Showcase Loss to Avalanche September 13, 2025 Chase Beardsley Leave a comment Utah Mammoth hockey is officially back. After two great days at the team’s new practice facility in Sandy, UT, the rookies are in Highlands Ranch, CO, for the rookie showcase…