Vic Beasley (SR), Clemson: An All-ACC pick in 2013, Beasley is one of the nation's top defensive ends.
Last year he led the conference with 13 sacks and was second with 13 tackles for a loss.
He is the league's premier returning defender.
Lorenzo Mauldin (SR), Louisville: A pass-rushing specialist, Mauldin totaled 40 tackles, 12.0 tackles for loss, and 9.5 sacks last season for the Cardinals.
A second team all-conference pick last season, Mauldin could have a huge year.
Luther Maddy (SR), Virginia Tech: A third-team All-ACC pick, Maddy is a run-stuffing defensive tackle who creates havoc for the Hokies.
He finished last year with 55 tackles and 13.5 for a loss.
Grady Jarrett (SR), Clemson: An honorable mention All-ACC pick in 2013, Jarrett totaled 83 tackles, 11 tackles for loss, two sacks, 14 quarterback pressures, and two recovered fumbles.
Not only does he command double-teams, but he is also extremely productive.
Kelby Brown (SR), Duke: Brown is the heart and soul of Duke's defense and all he does is make plays.
Last year he wracked up 114 tackles on his way to second-team All-ACC honors.
Denzel Perryman (SR), Miami: The lone returning first-team pick at linebacker, Perryman flies around the field for the Hurricanes.
He led the team with 108 total tackles, including 69 solo stops, and Perryman had six games with 10+ tackles.
Stephone Anthony (SR), Clemson: A highly-regarded recruit, Anthony began to live up to the hype as a junior when he totaled 131 tackles, 13.5 tackles for a loss, four sacks, three quarterback pressures, one interception, five pass breakups, and one recovered fumble.
With all the talent up front at Clemson, Anthony has the freedom to fly around and make plays for the Tigers.
Kendall Fuller (SO), Virginia Tech: As a freshman, Fuller was one of the top defensive players in the ACC last season when he was named first-team All-ACC.
He finished with 58 tackles and six picks.
P.J. Williams (JR), Florida State: Williams really came on late in the year for the Seminoles and made huge plays in the BCS Title game.
An honorable mention All-ACC pick as a sophomore, expectations are high for Williams in 2014.
Anthony Harris (SR), Virginia: Harris, a first-team All-ACC pick in 2013, is considered by some to be the top safety in he nation.
He finished with eight picks as a junior, and Harris returns to lead the Cavaliers.
Jeremy Cash (JR), Duke: An Ohio State transfer, Cash was an impact player for the Blue Devils.
Cash registered 121 tackles, 9.5 tackles for loss, four interceptions, four breakups, two caused fumbles, two fumble recoveries and two quarterback pressures in 2013.
He's on several watch lists heading into the season.
A.J. Hughes (JR), Virginia Tech: A second-team All-ACC pick in 2013, Hughes averaged 44.1 yards per punt.