The Vikings’ success in a supposedly critical area belies their 2-7 start.

They are the NFL’s only team with both a positive turnover differential (plus-4) and a losing record.

“To be plus-4 Week 9 and be 2-7, it doesn’t add up until you look at some of the other issues we’ve had,” Vikings coach Leslie Frazier said.

For instance, the offense can’t sustain drives and the defense can’t stop them.

The Vikings’ offense ranks 16th in yards per drive (29.06), according to Football Outsiders. The defense ranks 28th in yards allowed per drive (33.96).

Minnesota’s turnover differential is impressive, considering the Vikings rank tied for 22nd in takeaways (12). The Vikings are tied with San Francisco for the league’s fewest turnovers (8), but the 49ers are 8-1.

Quarterbacks Christian Ponder and Donovan McNabb have five interceptions between them, and running back Adrian Peterson has no lost fumbles in 196 touches this year.

“You’d take that,” Frazier said. “It’s a good thing for our team. It’s one of the reasons we’ve been in so many games.”

Save two prime-time poundings by Green Bay and Chicago by a combined 84-17, the Vikings lost their five day games by an average of five points.

Luke Feuerherm contributed to this report.

Team TOD W L

San Francisco 13 8 1

Green Bay 11 9 0

Houston 11 7 3

Chicago 9 6 3

Detroit 8 6 3

N.Y. Giants 6 6 3

Vikings 4 2 7

Dallas 4 5 4

Buffalo 4 5 4

Cincinnati 3 6 3

New England 3 6 3

Tennessee 2 5 4

Baltimore 1 6 3

N.Y. Jets 1 5 4

Atlanta 1 5 4

Team TOD W L

Cleveland 0 3 6

Jacksonville 0 3 6

Kansas City -1 4 5

Tampa Bay -2 4 5

Seattle -2 3 6

St. Louis -3 2 7

Arizona -3 3 6

Carolina -4 2 7

New Orleans -5 7 3

Oakland -5 5 4

Denver -5 4 5

Philadelphia -7 3 6

Washington -8 3 6

San Diego -8 4 5

Miami -8 2 7

Pittsburgh -10 7 3

Indianapolis -10 0 10

Source: NFL.com