If you're going to hold up a sign at a major sporting event, there's one thing that you have to do: Make sure everything on your sign is spelled correctly. Otherwise, you're pretty much guaranteed to end up being a laughingstock on the sports blogs the next day. Bleacher Report just proved this by putting together a list of 15 awful sports fan sign fails over here. Don't end up being like these fans.

[via Bleacher Report]