After a thrilling victory over the Green Bay Packers in Week 17 propelled them into the playoffs, the two teams will face each other again in a rubber match at Lambeau Field on Saturday night. While the Vikings are more than a touchdown underdogs, they certainly have a puncher's chance at pulling this game out on the frozen tundra in frigid Green Bay. Christopher Gates of Daily Norseman provides his breakdown on what the five most important keys to the game will be for Minnesota to enable them to advance to the second round of the postseason. Subscribe!