Blades forward Riley McKay scored the tiebreaking goal at 8:34 of the third period – pushing their point streak to nine games (7-0-2).
Gary Haden, Max Gerlach and Cyle McNabb also scored for the Blades while Nolan Maier made 24 saves.
Tyler Lees found the back of the net for the Broncos (10-38-4), who are on a five-game losing streak. Isaac Poulter kicked out 34-of-37 shots in the loss.
The Blades are right back at it Sunday afternoon when they host the Brandon Wheat Kings (23-21-3-4). Game time is 4 p.m.
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