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Major League Baseball unveiled its holiday and special event uniforms for each team, and they include a big change for Memorial Day.

In the past, MLB has had teams wear camouflage caps on Memorial Day. This season, teams will wear those caps on Armed Forces Day and instead have teams wear a uniform poppy patch with the phrase "Lest We Forget" on it. The caps will feature a stars-and-stripes Memorial Day patch.

The change was made to more properly reflect the meaning of the days. Armed Forces Day, which is May 18 this year, celebrates the military and its members. Memorial Day, which is on May 27 this year, is a solemn day meant to mourn soldiers who died in combat.

A poppy is a symbol that has been used to honor those who died in war. In 2017, Justin Verlander and three of his Tigers teammates, wore a poppy on their jerseys on Memorial Day.

As usual. teams also will wear special caps and socks on Mother's Day and Father's Day.

MLB also revealed the look of the caps that will be work on All-Star Weekend.

Browse through the photos at the top of the page for a look at the special caps for the Astros and Rangers for each special day this season.