USC’s 42-26 season-opening win over San Jose State had plenty of familiar names doing what they were supposed to do, but the box score of Pro Football Focus grades tells a more interesting story: the Trojans’ most explosive offensive player in the Coliseum was a freshman.
Trent Mosley didn’t just flash. He owned the afternoon.
The rookie wideout posted a team-best 90.7 grade after playing 40 snaps, and he backed it up with production everywhere the Trojans let him touch the ball. Mosley finished with seven catches on nine targets for 118 yards, added 52 yards after the catch, forced three missed tackles, and turned six of those receptions into first downs.
He also chipped in 56 yards on two punt returns.
His work as a receiver was the headline, but his run blocking stood out too. Mosley earned a 74.0 grade on 22 run-blocking snaps, which helped round out a debut that looked complete from every angle.
Jayden Maiava wasn’t far behind. The USC quarterback graded out at 84.4 and delivered exactly the kind of opener the Trojans needed.
He completed 86.2 percent of his passes for 286 yards and two touchdowns, and he added a one-yard rushing score on the first drive of the season. It was his only carry of the game.
Maiava’s efficiency improved the farther downfield he pushed the ball. PFF gave him a 63.9 grade on throws behind the line of scrimmage, then a 75.1 on short passes, an 81.9 on medium throws, and an 87.7 on his lone deep attempt. He was also credited with a big-time throw on a shot to Mosley down the left sideline that Mosley couldn’t finish.
Behind those two, USC got strong work from a pair of tight ends and right tackle Justin Tauanuu. Tauanuu earned an 84.0 grade, a career best, while playing 58 snaps and allowing zero pressures on 31 opportunities. He posted an 83.2 pass-blocking grade and an 80.1 run-block grade, a strong start for the third-year sophomore.
Carson Tabaracci made the most of a limited role, finishing with an 86.1 grade on 13 snaps. The fifth-year senior posted an 82.3 receiving grade, along with a 70.7 mark in run blocking and a 67.4 on pass protection. With Tucker Ashcraft sidelined, his snaps are expected to keep coming.
Walter Matthews also landed in the top group with a 79.6 grade. The big tight end played 20 snaps, with most of that work coming as a run blocker. His 80.7 run-blocking grade drove the result, even though he was at 54.4 as a pass catcher and 68.5 in pass protection.
Freshman running back Shahn Alston rounded out the top five at 79.8. He carried the ball seven times for 30 yards in 13 snaps and earned a 77.4 rushing grade. He was slightly below average in the passing game, but his 72.1 pass-blocking grade on three snaps showed a useful all-around debut.
At the other end of the list, USC’s freshman-heavy offense had a few rough edges. Tight end Mark Bowman finished at 59.2 after playing 44 snaps, and his 52.4 receiving grade was the lowest on the offense. He did, however, post a 71.1 run-blocking grade, which ranked inside the top 10 among Trojan offensive players.
Wide receiver Ethan Feaster came in at 57.9 after 27 snaps. He was at 54.0 on passing plays, though his 77.4 run-blocking grade was one of USC’s better marks on that side of the ball.
Freshman lineman Breck Kolojay ended at 56.3 over 19 snaps. His 54.4 run-blocking grade and 63.6 pass-blocking grade included one of only six pressures USC allowed all day.
On the San Jose State side, the top defensive grades went to S Pierce Walker at 67.0, DE Etu Finau at 66.1, LB Ethan Powell at 65.8, CB Caleb Womack at 65.7, DE Jeremiah Tuiileila at 64.8, and S Charles Cox III at 64.6.
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