Johnson threw one interception. Freddie Brown caught 11 passes for 110 yards and two TDs and Matt Asiata picked up 83 yards rushing and scored twice for the Utes (11-0, 7-0 MWC), who finished with 520 yards of total offense and claimed a share of the Mountain West Conference title.
Deshawn Richard returned two fourth-quarter interceptions for touchdowns in a space of 70 seconds for Utah.
Ryan Lindley was 23-of-41 passes for 247 yards and two TDs, with the two interceptions, for San Diego State (1-10, 0-7), which has lost seven straight games.
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