Brent Venables' Clemson defense earned a reputation as one of the nation's most disruptive units during the 2013 season, and the Tigers' success is backed up by a wide range of top-25 statistical rankings on the defensive side of the ball.
Of 11 major defensive categories, Clemson ranked in the top 10 in three, in the top 16 in five, and in the top 25 in nine.
The Tigers led the nation in tackles for loss by a wide margin over second-place Tulane. Clemson averaged 9.5 tackles for loss per game, and had particularly strong showings against some of the best backs they faced, including Boston College's Andre Williams, South Carolina's Mike Davis and Ohio State's Carlos Hyde.
Tulane averaged 8.5 tackles for loss per game.
The Tigers ranked fifth in third-down conversion defense with a .308 mark, which was second in the ACC to Virginia Tech.
Clemson ranked 10th in turnovers gained with 30.
The Tigers had the nation's No. 16 pass defense, in terms of yardage allowed (201.0), and were 19th in passing efficiency defense.
Clemson ranked 13th in quarterback sacks with 2.92 per game, and was 22nd in first downs allowed (234), 24th in scoring defense (22.2) and 25th in total defense (356.7).
The Tigers ranked 52nd nationally against the run (155.7) and were 49th in red zone defense (.818).
In FootballInsiders.com's overall defensive rating, the Tigers ranked 12th nationally, while in the Fremeau Efficiency Index, Clemson's defense ranked 17th.