Peterson: Steelers were tough

Vikings running back Adrian Peterson called the Pittsburgh Steelers the toughest defense he's faced this season. Peterson credited the Steelers for making plays when the Vikings had first and goal at the 1-yard line with about 6 minutes left in the third quarter. Peterson was stopped short on first down and didn't get the ball on second or third down. But he didn't complain about not getting the ball. That doesn't mean he was happy about coming away with just a field goal (18 yards by Ryan Longwell) instead of a touchdown. "That's tough, especially in this league against the Pittsburgh Steelers and their defense," Peterson said. "You've got to get seven points. I was highly upset about having to settle for three points." Peterson said of the Steelers' defense: "Clearly I feel this is the best defense we've faced this year. We knew these guys were going to be resilient and fight hard. Anything we were going to get from them,...