Heading to the ballpark is the quintessential American summertime activity -- whether with friends, family or both. A day or evening at the ballpark offers up a few hours of outdoor fun, and of course an opportunity to have more than a beer or two. But washing down those pretzels, peanuts, and hot dogs is going to cost you quite a bit. How much? The infographic below reveals the prices (and prices per ounce!) for the cheapest small beer at every MLB stadium, based on data which the folks at The Marketing Report have been collecting for years. And to the fans at Fenway, all we can say is that we're sorry for your misfortune.