Index Caps Helmets Jerseys Numbers Patches

Click the "G" underneath each year to see a game-by-game breakdown.


100-62, 1st Place in NL West
Lost 3-1 to Mets in NLDS

Season number two for the Diamondbacks saw some slight modifications to their uniforms, nearly all relating to caps and helmets.  Some key acquisitions like Randy Johnson and Luis Gonzalez greatly increased the level of play on the field, as they set an expansion record by making the playoffs in only their second year of play.

Several minor changes to the uniforms were made, some that were almost indetectible without a closer look.  The first obvious change was removing the inaugural season patch from all jerseys and replacing it with a standard patch.  The new patch looked almost identical, with the only change being the addition of the word "Arizona" at the top.  No further changes would occur to the sleeve patch until 2007 (although it would be removed from the undershits for sleeveless vests in 2003).

Inaugural patch worn on all jerseys during the 1998 season.

The patch worn on all jerseys beginning in 1999, which remained unchanged until 2007.


Aside from the patches, the home jerseys and caps remained unchanged.  They still wore white, full-sleeved jerseys with purple pinstripes, always paired with the purple "A" cap.

The only substantial change to the home uniforms was the standardization of the batting helmets.  Gone was the snake "D," replaced by the regular "A" logo.  This brought them a little more in line with tradition, as the same logo was now used on both the caps and helmets.

Home Alternates

The purple jerseys and white vests were again worn for select home games, but with some changes from the previous season.  The originals had teal numbers, but they changed to gold for 1999.  The front numbers were trimmed in white, while the back numbers had a teal/white outline.  The player names also changed from teal/white to gold/white.  They also eliminated the use of all alternate caps, meaning no more white/purple or teal/purple.  The purple cap was always worn at home with the purple or white jerseys.

The black jersey again made some rare appearances at home, although mainly used as a road alternate.  New pitcher Randy Johnson was not a fan of sleeveless jerseys, so he often chose to wear black, both at home and on the road.  Paired with the black jerseys was the new black cap, which was worn for all road games and at home only with black jerseys.  It featured the snake "D" logo that had been use on the home helmets in 1998.  Black socks and belts were also worn at home, only with these jerseys.


The only major change to the road uniforms was the new black cap and helmet, as mentioned above with the home alternates.  Like the home set, the same design was now used for both cap and helmet.  These caps were used for every road game, no matter which jersey was chosen.

Road Alternates

Black jerseys were again worn on the road, with no major changes from the previous season to the jersey itself.  The only difference in road alternates from 1998 was that the purple jerseys were no longer worn on the road.  They would be used exclusively at home until their demise after the 2002 season.

Batting Practice

Another change to the caps in 1999 was the introduction of specific batting practice caps.  This was a move adopted by all MLB teams, as they created caps made of the same mesh material as BP jerseys.  Teams were encouraged to use different colors and logos from their game caps, and the Diamondbacks used the opportunity to take the snake logo on their sleeve patches and modify it for the new caps.  The cap was black with a purple bill, a combination never used on a cap before, though it had been the color scheme for the road helmets in 1998.

The BP jerseys also underwent a change, as the "A" logo was removed in favor of the "Diamondbacks" script previously found only on the home jerseys.  There appear to be two version of this year, one with "Diamond" written in teal, and another written in purple.

Spring Training

The new batting practice caps replaced the purple home caps for all spring games.  The purple alternate jerseys (with the new gold names and numbers) and purple helmets (now with the "A" logo) were again worn for both home and away games.

During spring drills, black BP jerseys were again worn, this year with a new design as mentioned above.  Buck Showalter and other coaches continued to wear the white/purple caps, though they were no longer officially part of the team's uniforms.  Interestingly, Showalter would later continue this when he managed the Rangers, as he would wear a red cap during the spring, while his players wore blue caps.  The red caps had been otherwise phased out years before Showalter was hired by the Rangers.

Also note the purple "Diamond" on Randy Johnson's jersey, different from the teal on Todd Stottlemyre a few pictures above.

As manager of the Rangers, Showalter would again opt to wear a different and otherwise obsolete cap during Spring Training.  This photo is from 2005.  The Rangers switched from red caps to blue in 2000.

Turn Ahead the Clock Night

For years, many teams celebrated their past by wearing historical uniforms.  For a new team like the Diamondbacks, this obviously was not an option (though their expansion cousins, the Devil Rays have gotten around it by wearing throwback uniforms of Tampa's minor league teams).  Fortunately (or unfortunately) the Seattle Mariners presented a solution when they decided to stage the first ever Turn Ahead the Clock Night in 1998, envisioning what they thought a baseball uniform would look like in the future.  A year later, almost all teams decided to join in, and the Diamondbacks were not immune from the craze.  The cutoff-sleeved black uniforms and purple undershirts had a large "D" logo that wrapped around the player's body.  Futuristic gold numbers were on the back, with the player's name going down the side instead of centered across the back.  The caps were not too wild, as they were similar to the new road caps, but with a teal bill.  MLB execs wised up and this promotion has never seen the light of day again.

The one game picture I can find is from the September 11th home game against the Phillies.  They also participated in the promotion on August 20th at Pittsburgh, though I have been unable to find any pictures from that game.  I assume the same style was worn, but with the regular gray pants.

Some teams went a little further than others.  The Mets assumed that in the future, their home games would be played on Mercury, and they replaced their logo with the planet's symbol.  All other teams that participated basically took their existing logos, blew them up in size, changed a couple colors, and called it a day.

If you can't get enough of these, check out this SportsCenter segment about them: