While optimism runs high at most every college football program this time of year, even the rosiest picture has some lurking shadows.
That is true even for the 25 teams in our post-spring Power Rankings. No matter how deep the rosters seem, everyone has some question marks or potential weak spots.
Our college football reporters take a look at the biggest areas of concern for each of the top teams, the potential Achilles' heel that could keep them from reaching their goals for the season.
