2012 could be a big season for Virginia Tech.

The Hokies return nine starters on the defensive side of the ball and junior quarterback Logan Thomas. 

Bud Foster's defensive unit finished 10th overall in total defense in 2011 and have impressive depth throughout the front seven. James Gayle and Kyle Fuller, both juniors, lead what could be one of the best defensive teams in the nation.

Although things may seem to bode well for the Hokies as they enter the 2012 season, many things could prevent the Hokies from winning their fifth ACC title in nine seasons. 

Here are the five toughest tasks facing the Hokies in 2012. 

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