It's always fun to see which player's jersey is the most sold each season. And although hat sales have a tendency to fluctuate much less, it's still cool to see which New Era caps become trendy.
Among the top 10 best-selling New Era baseball hats in 2011 are some usual suspects, including the Red Sox and Yankees. But there's also a couple of teams you might not have expected, including the Pittsburgh Pirates.
We've put together the complete top 10 list, so here's a look, with a hat tip to Yahoo! Sports' Big League Stew and Cardboard Connection.
This top 10 list was reportedly confirmed by New Era.
Click here to see the top 10 best-selling New Era hats of 2011 >>