Five lessons from USC spring football practice

LOS ANGELES — USC concluded spring practice on Saturday with its annual spring game at the Coliseum.
It will be at least three months before the Trojans open training camp in preparation for a much-anticipated season in which they are expected to open in the Top 10 of the preseason rankings.
For now, here are five lessons learned after 15 spring workouts.
1. Sam Darnold is as important as ever
Too obvious? Darnold is one of the frontrunners for the Heisman Trophy and a chief reas