The two teams are battling for the lead in NFC South, with the Panthers having the longest current winning streak in the NFL.
The head coach told reporters: "I learned that they're beatable. I thought Seattle played a very good game and I thought some things were off for New Orleans.
"But it was good to see, give you a little bit of a jump, a little bit of a head start on our next opponent."
A win on Sunday would move Carolina clear of the Saints at the top of their division.