We've just been through a memorable regular season in which the surprise Big Ten champions have placed their 2016 stamp on the Penn State record books, the fans' memory banks and will next spring apply it to the Beaver Stadium facade, too. Where do we place them in the annals? I sought out the ultimate authority in PSU sports historian Lou Prato and consulted his invaluable Penn State Football Encyclopedia for narratives, facts and photos. This isn't a list of simply the best teams though there are many here. It's the 12 teams that made the greatest impact on the program, extrapolating the most recent ones into the future. So, here's how I see the dozen most important Nittany Lion seasons in history, stacking them up bottom-to-top.