Careful viewers of the Ravens-Niners game might have noticed that Joe Flacco and tight end Dennis Pitta are sporting some awful-looking mustaches.
Flacco explained post-game that he wanted the offense to create a distinctive look for the strength run, but only Pitta joined him in growing a Fu Manchu. Awkward.
But now's not the time to talk about Flacco's leadership abilities—or lack thereof.
Instead, here are five great mustaches from NFL history.