Ben McIntosh had a hat trick and Adam Jones struck twice for Saskatchewan (3-2). Matt Hossack, Nik Bilic, Jeremy Thompson, Adrian Sorichetti, Matthew Dinsdale and Robert Church supplied the rest of the offence.
Curtis Dickson and Dane Dobbie scored three goals apiece for the Roughnecks (3-2). Tyler Digby had a pair of goals while Jeff Shattler, Holden Cattoni and Wesley Berg also chipped in. Frank Scigliano turned away 43 shots.
The Rush converted on their only power play and Calgary went 4 for 5.