UCLA quarterback Dorian Thompson-Robinson runs the ball as Arizona last weekend.UCLA (2-5, 2-2) vs. No. 23 Utah (5-2, 3-2)Friday, 7:30 p.m., Rose Bowl. TV: ESPN. Radio: 870, 1150 (at conclusion of Clippers game), 97.3.Marquee matchupUCLA tailback Joshua Kelley vs. the Utah run defense. Kelley has topped 100 yards rushing in four consecutive games, including against two of the Pac-12 Conference&rsquo;s better defenses in Washington and California. This will be another challenge entirely. Utah ranks No. 1 nationally in run defense, giving up 74.6 yards a game. USC managed only 2.9 yards a carry last weekend against the Utes when adjusting for sacks.