(direct from the SEC office)
Southeastern Conference defenses, in 32 games this season, have allowed just 12.5 points and 260.9 total yards per game this season. Since conference expansion, the lowest average number of points allowed per game by SEC defenses in a season was in 1992, when the conferences' defenses gave up 18.8 points per game. The lowest average total yards per game since 1992 was in 2006 - 315.0 yards per game.
This season, SEC defenses have allowed just 76.75 rushing yards per game and 184.1 passing yards per game.
The SEC leads the nation in scoring defense (12.5 points per game) and in total yards allowed (260.9 yards per game) this season. The next closest conferences are the Big Ten, giving up an average of 16.16 points per game, and the Mountain West, giving up an average of 301.65 yards per game,
Per attempt, the SEC defenses are allowing just 2.57 yards per rush (962 carries for 2,456 yards) and 5.33 yards per pass attempt (590 of 1105 for 5,892 yards). Overall, the SEC is allowing just 4.04 yards per offensive play (8348 yards on 2067 plays), which also leads the nation. The next closest conference is the Big 12, which averages 4.58 yards allowed per play (10236 yards on 2231 plays).
In NCAA team statistical rankings, nine SEC teams are in the top 40 in rushing defense, five in the top 40 in pass defense, nine in the top 40 in total defense and 10 in the top 40 in scoring defense.
This weekend, two of the top four teams in total defense in the SEC matchup when Auburn (#3 in the SEC / #10 in the NCAA) hosts LSU (#4 in the SEC / #12 in the NCAA).
In team statistical categories, Alabama leads the SEC and the nation in rushing defense (42.7 yards allowed per game), Florida leads the SEC and #3 in the nation in total defense (190.5 yards per game), South Carolina leads the SEC and the nation in passing defense (95.0 yards per game) and Auburn leads the SEC and is third in the nation in scoring defense (5.0 points allowed per game).