Oakland Athletics First Mascot – Charlie O the Mule New Era 59Fifty Fitted Hat (Green Gold Gray Under Brim) Size:7 7/8 Los Florida Marlins 1993 Inaugural

Los Florida Marlins 1993 Inaugural New Era 59Fifty Fitted Hat in SeaWeed Green

Chicago White Sox 2005 WORLD SERIES New Era Fitted 59Fifty Hat in BLACK with Sky Blue Under Brim

Philadelphia Athletics New Era 59Fifty Fitted Hat made in traditional throwback colors Blue with a Green under brim

Boston Red Sox Red Sock Patch New Era 59Fifty Fitted Cap in Woodland Camo

Chicago White Sox 1912 - 1916 New Era 59Fifty Fitted Hat in team color (Navy) and green under brim

Oakland Athletics First Mascot – Charlie O the Mule New Era 59Fifty Fitted Hat (Green Gold Gray Under Brim) Size:7 7/8 Los Florida Marlins 1993 InauguralFirst Mascot Charlie O the Mule Oakland Athletics Oakland Patch New Era 59Fifty Fitted Hat in Green, Gold and Gray Under Brim. Charlie O the Mule was the mascot used by the US baseball teams Kansas City Oakland A's from 1965 to 1976. Charlie O the Mule was purchased from Harold Sloan a small town farmer and muleskinner from Osborn, Missouri. The mule was named after Charles O. Finley, the team's owner at the time.