The Green Bay Packers (11-6) will battle the Philadelphia Eagles (14-3) in an NFC wild-card game on Sunday. Starting with the quarterbacks, here are the keys to the game.

Use a fleece jacket, Eagles sweatshirt or a sweater as a middle layer to provide insulation. Use a waterproof winter jacket or parka as an upper-body outer layer and a pair of ski pants if it's cold enough. Wear a warm Eagles hat, preferably something covering your ears, and gloves or mittens.