Every year at this time, college football coaches say the same thing: A team's biggest improvement takes place between Week 1 and Week 2.
It's debatable whether the coaching cliché is a time-tested truth or simply wishful thinking for the (mostly) 0-1 crowd. But a group of teams hope it bears out after shaky openers in key areas.
Insider took a closer look at these teams and which elements must improve dramatically beginning this week for preseason goals to be achieved. There was a common thread in Week 1 shakiness -- offensive line play -- but plenty of top teams had plenty of other issues that need to be fixed quickly -- or else.