The Greyhounds scored their second upset in two days, knocking off the second-seeded Hornets.
Duluth East forward Ash Altmann (26) scored a breakaway goal on Edina goalie Kobi Boe late in the third period of the Class 2A semifinal game on Friday at Xcel Energy Center in St. Paul. Photo: Aaron Lavinsky * aaron.lavinsky@startribune.com