Marc Trestman has said that the Chicago Bears turned the ball over too many times during their 40-32 loss to the Detroit Lions.

Quarterback Jay Cutler threw three interceptions during the clash between the two NFC North sides, while Ndamukong Suh forced a fumble, allowing Nick Fairley to return the ball for a touchdown.

The head coach told reporters: "We can't turn the ball over, we know that. But it really wasn't about decision making. I think it as more about the fundamentals of finishing two throws, one underthrown and one high.

"I thought [Cutler] played tough and courageously through the game. The game got out of hand because of the turnovers. We had to throw it more than we liked.

"You can't have four turnovers on offense, give our defense a short field and expect to be able to stop people."

The defeat was the Bears' first of the season.