The 18-year-old Daniels graduated from Mater Dei High School one full year early to enroll at USC. Daniels then claimed the job held by Sam Darnold last season after a month-long, three-way competition with redshirt freshman Jack Sears and sophomore Matt Fink.
Helton didn’t make his decision until watching a mock game Saturday in which all three quarterbacks got a chance to impress the coaches.
The Trojans open the regular season at home against UNLV on Saturday, followed by consecutive road trips to No. 13 Stanford and No. 23 Texas.