This deal has ended.
MLB.com has a great selection of Authentic BP Performance Baseball Hats on sale for $9.99, before coupon code EXTRABASES drops them to just $7.99 each. Available teams include the Red Sox, Cubs,
White Sox, Angels, Mets, Astros, and more (be sure to look at both pages). Shipping adds $4.99 with no sales tax (except CA, KY, IL, NY).