The Vols are a proven offensive force and return much of the firepower from last season's seven-win team in Josh Heupel's debut season.

Peel back the layers, though, and the Vols have areas of concern that must be addressed if they're to catapult past the bar they set last season.

On this edition of "The Volunteer State," Blake Toppmeyer of the USA TODAY Network and the News Sentinel's Adam Sparks and John Adams discuss the top concerns facing Tennessee as they navigate preseason practice.

Stay connected on Twitter with Blake (@btoppmeyer) Adam (@AdamSparks) Mike (@ByMikeWilson) and John (@JohnAdamsKNS) and stay up to date on Vols sports news by following @GoVolsXtra.

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