Five things we learned from USC football training camp

USC ended training camp on Saturday, and will refocus on its season opener against Western Michigan in less than two weeks. The Trojans continue with preseason practices Tuesday, but for now, here are five things we learned from camp:
DARNOLD MUST STAY HEALTHY
OK, that’s obvious. But consider that USC doesn’t have a clear-cut option at quarterback in case of a significant injury to Sam Darnold. Last season, Max Browne, a fourth-year junior and capable hand, backed up Darnold for the