USC’s Lincoln Riley says he’ll let Miller Moss, Jayden Maiava ‘duke it out’ for starting QB job

LOS ANGELES — When Jo’Quavious Marks committed to USC in late December, his mother Tameka said, there was still a healthy degree of skepticism. Yes, they loved Lincoln Riley’s offense and Marks’ potential as a pass-catcher. Yes, he’d step into a situation where he’d immediately fill a veteran presence in the backfield with MarShawn Lloyd’s departure for the NFL. But USC had just gone 7-5, and the former Mississippi State back Marks only had one year of collegiate eligibility left, needing to make it count. So they were comfortable, Marks said, with transferring to USC. But skeptical. And then they watched the Holiday Bowl on Dec. 26, and skepticism was erased. “We love Miller Moss,” Tameka said in January, with…