Maryland’s Danny O’Brien is among the top quarterbacks in the ACC. (Preston Keres/FOR THE WASHINGTON POST)

The top three ACC quarterbacks.

1) Danny O’Brien, Maryland

With an advanced mental acumen and a tireless work ethic, O’Brien is poised to improve after a redshirt freshman season in which he threw 22 touchdown passes, the second most in a season in school history.

2) E.J. Manuel, Florida State

An elusive runner, Manuel takes over the job full-time after the departure of Christian Ponder. The junior has completed 67 percent of his passes in 14 game appearances.

3) Logan Thomas, Virginia Tech

The ACC has its share of uncertainty at the quarterback position. But Thomas, an athletic specimen, gives the Hokies an X-factor as they navigate a somewhat soft schedule.