Baseball is America's national pastime, evolving with the decades to represent everything that's right and wrong with this country.

So when the 1970s became a decade known for personal expression, you can bet the players joined in... with their moustaches. 

No greater collection of upper-lip facial hair will ever be assembled than the specimens worn by players on the nation's biggest baseball diamonds in the 1970s. 

Here are the best moustaches in MLB 1970s history.