Washington Nationals Caps History
The Montreal Expos moved to Washington for the 2005 season. The original cap design was a block W, however under pressure from MLB the Nationals went with a logo almost identical to the late 1960's Washington Senators.
2005
New Era
2006
New Era
An alternate cap is introduced in 2006.
2007-08
New Era
Polyester caps and black undervisors debut.
2009-10
New Era
The alternate cap changes in 2009.
2011-12
New Era
In 2011, the road cap visor changes to red and the DC alternate cap is retired.
2013-present
New Era
A new alternate cap introduced to wear with the red jersery when it's used at home.