Every hat ever worn by the Arizona Diamondbacks

May 25, 2015, 12:39 PM | Updated: 3:07 pm

A baseball uniform can’t be complete without one of its most iconic pieces — a hat.

From the collectable to the just-plain-cool, through uniform changes and color re-designs, the Arizona Diamondbacks have introduced many hats to their fans over the past couple decades.

The D-backs commemorated the September 11th attacks by wearing a special hat featuring an American flag for their Sept. 11, 2015 contest vs. the Los Angeles Dodgers. (Twitter photo by @Joey_Artigue) The D-backs celebrated St. Patrick's Day in 2015 by wearing green hats during a spring training game. (Photo by Zachary Holland/Cronkite News) The D-backs sported a red hat with a camouflage bill for Memorial Day 2015. (AP Photo/Jeff Roberson) These "throwback" hats were worn in 2014. (AP Photo/Rick Scuteri) Shown here during a spring training game in 2015, the D-backs sometimes showcase black hats with a red bill. (AP Photo/Ben Margot) Though maybe not a new hat, the D-backs harkened back to their early days for a throwback weekend in 2011. (AP Photo/Paul Connors) The D-backs rocked a camouflage look for Memorial Day and Independence Day in 2012. (AP Photo/Rick Scuteri) Memorial Day 2013 featured a camouflage look. (AP Photo/Matt York) July 4, 2013 saw the D-backs don this special hat. (AP Photo/Frank Franklin) A new red design was worn on Memorial Day, the 4th of July, and 9/11 in 2009. The red was a much brighter scarlet than the Sedona Red worn by the Diamondbacks. (AP Photo/David Zalubowski) On both Memorial Day and Independence Day, 2010, the D-backs joined the rest of the league in wearing American flag-themed lids. (AP Photo/Rick Scuteri) The D-backs wore special flag-themed hats on both Memorial Day and Independence Day in 2011. (AP Photo/Morry Gash) Worn over the 4th of July weekend for all three games against the Padres. All MLB teams wore similar caps. They were brought back for the September 11th weekend, with some teams wearing them only on the 11th, others wearing them for multiple games. The Diamondbacks did not play on the 11th, and did not wear the caps at all then. (AP Photo/Paul Connors) From 2007 to present day, the D-backs wear their red hat with both the home white and road gray jerseys, as well as the red alternates. (AP Photo/Nam Y. Huh) The league-wide template was changed in 2007, coinciding with the Diamondbacks' new colors. The material and shape of the cap stayed the same, with the only change being the colored patches on the sides. This lasted until 2009. (AP Photo/Ross D. Franklin) From 2007 to present day, the black hat with the "A" wordmark has served as the D-backs home alternate hat worn only at home with the black jerseys. (AP Photo/Ross D. Franklin) Another new MLB-wide template change, with piping changed to go across the front of the crown and bill. This was the first red BP cap ever worn by the Diamondbacks. (AP Photo/Ed Andrieski) Starting in 2000, Arizona often wore all-black caps with a "D" logo during road games. (AP Photo) A revolutionary material, designed to wick away moisture was created in 2003. The same material was also used in batting practice jerseys starting that year. The shape of the cap was a lower profile, and came in different sizes than the game caps. (AP Photo/David Zalubowski) A turquoise hat with a purple bill was used for promotions prior to the Diamondbacks ever taking the field, but the team rarely wore it during its first season. (The Trading Card Database Photo) Beginning in 1999, the Diamondbacks starting wearing a black cap with a purple bill and the alternate turquoise snake logo during batting practice and spring training games. (AP Photo) The Arizona Diamondbacks commonly wore a black cap with a turquoise bill during their inaugural season. (AP Photo) The original manager of the Arizona Diamondbacks, Buck Showalter, dons the team's white hat with a purple bill that was worn infrequently during the team's inaugural season. (AP Photo) The Arizona Diamondbacks sported all-purple caps during their inaugural regular season game in 1998. (AP Photo)

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Every hat ever worn by the Arizona Diamondbacks