By Zach Mack Updated On 10/19/2018 at 06:14PM EST @zmack Marie Lemonier/Shutterstock Fun fact: When the leaves start changing colors and the Detroit Lions start losing football games, brewers do NOT switch to exclusively brewing pumpkin beers. And while we do love us a good gourd pun, there's just so many other kinds of beer to get into as the days grow shorter, from Oktoberfest…