AUBURN, Alabama (Ticker) -- Minus injured running back Carnell "Cadillac" Williams, Auburn's rushing attack was assisted by its big-play defense.
Ronnie Brown and Tre Smith combined to rush for 181 yards and three touchdowns as Auburn stunned No. 10 Louisiana State, 31-7, in a Southeastern Conference matchup.
Linebacker Karlos Dansby had two of Auburn's four interceptions, which led directly to 17 points. That marks the most picks in a game by the Tigers since they had five against Louisiana Tech on October 20, 2001.
Williams, Auburn's leading rusher, broke a bone in his left fibula last week against Florida and will be sidelined for the remainder of the season.
But sophomore Brown and freshman Smith deputized admirably. The contest still was scoreless when Brown scored on a five-yard TD run just over eight minutes into the first quarter.
Auburn increased its streak of games with a rushing touchdown to 19, the team's longest since a 28-game stretch from 1984-87.
"We came in with a lot of confidence and we knew we had to put in a full game to win," Brown said. "We came out and played well on offense and the defense did a great job. This is a great win, but we can't stop at LSU. We have some games left that we need to win so we can get back to Atlanta (for the SEC title game).
Smith rushed for a touchdown from 13 yards out to give Auburn (5-3, 3-2 SEC West) a 17-0 halftime advantage.
Then, Brown's 20-yard effort gave the Tigers a 31-0 lead with 11:14 left.
Auburn rushed for 216 yards.
"Today was just a tremendous effort by the whole team. We played great all four quarters, made the big plays and got some key turnovers," Auburn coach Tommy Tuberville said. "Our players definitely came to play. That was definitely Auburn football that I saw out there today."
Joseph Addai finally put LSU (6-2, 3-1) on the board with an eight-yard TD run midway through the fourth quarter. But the Tigers failed to overcome the absence of safety Damien James and saw their six-game winning streak snapped.
"We always talk about turnovers and field position and, on a day like today, it became very important," LSU coach Nick Saban said. "When you give that many points away and that much field position, it makes it difficult to win ballgames. We wanted to stop the run, and we didn't get it done defensively."
One of the two men for whom LSU's "James Gang" defense is named, the senior missed his third straight practice Wednesday and Saban believes he has quit the team.
It turned out to be Auburn's defense that excelled at Jordan-Hare Stadium, recovering a fumble as well as intercepting four passes from LSU quarterback Marcus Randall.
Auburn's big-play defense has forced 14 fumbles this season. The unit also has 15 interceptions and at least one pick in seven of its last eight games.
LSU was trying to continue its drive on 3rd-and-8 at the Auburn 34 just under six minutes into the contest. Randall's pass to the right side was intercepted by safety Travaris Robinson, who returned it 63 yards to the LSU 27.
Just four plays later, Brown ran up the middle to make it 7-0.
Dansby's interception with 12 1/2 minutes to play in the half did not lead to a score. But the ensuing punt by Damon Duval pinned LSU at its own 1.
"This was a great win for us," Dansby said. "We really needed it because it was a must-win situation. We played hard. The coaches just asked us to come out and play and we got off to a fast start and ran with it."
Safety Donnay Young's pick three plays later set up the lone successful field goal by Philip Yost in three attempts, increasing Auburn's advantage to 10-0.
Dansby snagged his second interception of the game and the eighth of his career on the opening play of the final quarter. On 3rd-and-8 from the Auburn 20, Randall's pass was returned by the junior 60 yards.
"Marcus had a tough day," Saban said. "I think it was a combination of things. It was his first road game as a starter, and that had a lot to do with it. But also the conditions outside. He had trouble throwing a wet ball."
Auburn's ensuing six-play drive - which featured all runs - was capped by Brown's second score.