Grice carried the ball 21 times, scoring twice on the ground, and hauled down four passes for 37 yards with a touchdown as the Sun Devils (5-2, 3-1 Pac-12) won a second straight.
Taylor Kelly provided 355 yards of total offense, including 271 passing yards with two TDs and an interception on 26-for-42 efficiency.
The signal-caller rushed 13 times for 84 yards with two scores.
The Huskies (4-3, 1-3) fell for the third straight game as Keith Price was held to 16-for-39 through the air for 217 yards and two touchdowns.
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