The Panthers' undefeated season came to an end with a 13-20 loss in Atlanta, dropping their record to 14-1. Carolina started off well with a Newton rushing TD, but Atlanta proved to be too much at home, culminating in a long touchdown pass from Falcons QB Matt Ryan to WR Julio Jones. The Falcons defense swarmed the field all day, as the Panthers couldn't manage a touchdown for the rest of the game. As a result, Atlanta pulled off the upset. Despite the loss, their only one of the regular season, Carolina kept both its playoff spot and division title.. How many weeks into the season did this game occur?