Posted by ESPN.com's Ted Miller
A bigger question, of course, is can they do the same on the road at Ohio State?
Barkley, the first true freshman to start a season-opener for the Trojans, completed 15 of 19 for 233 yards with a touchdown and no interceptions.
There was nothing to suggest he can't handle being the USC starter, even though he turns 19 on Sept. 8.
As for the Trojans defense, which was replacing eight starters, it gave up a first-quarter field goal and then lowered the boom, throttling the Spartans.
The Buckeyes figure to be far more taxing, but this performance suggested the Trojans will be ready to go.