Penn State fell to 4-1 on the season after giving up a two-possession lead with 8 minutes to play.
College GameDay attendees showed up loud and proud with their signs to Old Main Lawn on Saturday.
Key will make his third appearance on College GameDay as the guest picker.
Allen suffered a season-ending injury, so Sanders will continue one of the program's long-standing traditions tonight.
Here's all the media and other information you need to know ahead of tonight's White Out game.
College GameDay analysts agree that the White Out is among the best environments in college football.