Oklahoma playing quality defense again

October, 11, 2013
10/11/13
12:04
PM ET

AP Photo/Darron CummingsFrank Shannon is part of a defensive unit that is one of the best in the nation this season.

Oklahoma is back to playing the kind of defense that can win a championship. The Sooners are allowing 13 points per game, sixth fewest in the FBS and on pace with the Sooners’ 2001 team for the fewest points per game during the Bob Stoops tenure.

They rank ninth in the nation in total defense (282 yards per game) and are one of seven FBS teams that have not allowed more than 21 points in a game this season.

Last season, Oklahoma allowed nearly 26 points per game, its most under Stoops. The Sooners finished the season ranked 64th in total defense and 90th in rush yards per game.

They allowed at least 30 points in four of their last five games. Oklahoma’s defense hit rock bottom when it allowed a Cotton Bowl record 516 total yards to Johnny Manziel and lost to the Aggies by 28 points.

Oklahoma had -32.9 expected points added on defense last season.

That means that the Sooners defense contributed -33 points to its scoring margin for the season.

If their defense played average, they would have won against both Texas A&M and Kansas State. This season, the defense has added at least six expected points in every game by controlling field position, forcing turnovers and stopping its opponents.

How has Oklahoma improved its defense?

Getting off the field on third down
Oklahoma has forced a three-and-out on 52 percent of its opponents’ drives this season, tied for third best in the FBS and 19 percentage points higher than how it fared last season.

The Sooners rank 10th in the FBS in third-down conversion defense (27 percent) this season. That is a 15-point improvement from last season, when they ranked 74th in the FBS and had the team’s worst third-down conversion percentage in the last 10 seasons.

Opponents have posted a 10.8 Total QBR on third down against Oklahoma this season, tied with Stanford for eighth best in the nation and 30.1 points better than last season when they ranked 41st.

Controlling the line of scrimmage
Oklahoma allowed 1,658 rush yards before contact last season, third most for an AQ defense behind Indiana and Colorado.

The Sooners allowed 22 percent of opponents’ runs to gain at least five yards before first contact. This season, they are allowing 77 fewer yards before contact per game, and they have allowed the fewest runs (19) in the Big 12 that gain five yards or more without contact.

After struggling last season, the Sooners are committed to stopping the run this season. They are averaging 6.9 defenders in the box on designed runs this season, after average an AQ-low 6.1 last season.

Defending the deep ball
Oklahoma is allowing opponents to complete 26 percent of their passes thrown 15 yards or longer this season, second lowest by a Big 12 defense and ninth lowest by an AQ school.

None of the Sooners’ five opponents have completed more than half of such passes in a game.

In their four losses last season, opponents completed 41 percent of their passes thrown 15 yards or longer against the Sooners, which is 5 percentage points higher than the AQ average.

Who have been the biggest keys?
Three players in particular have come up big for this year’s defense.

Linebacker Frank Shannon leads the team with 34 tackles, including six that were within two yards of the line of scrimmage that saved a first down.

Defensive linemen Charles Tapper ranks fourth in the Big 12 in total pressures (hurries and knockdowns).

Eric Striker leads the Sooners and ranks third in the Big 12 with 11 total pressures.

Looking Ahead
Oklahoma plays its rival Texas on Saturday at the Cotton Bowl.

The Longhorns have scored more than 30 points in each of their last two games, both Big 12 wins. They are 11-1 since the start of last year when they score at least 25 points and 1-5 when they do not.

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