On Saturday, hundreds of thousands of protestors flooded streets of American cities and around the world to take a stand against gun violence in “March For Our Lives” rallies.

The movement was prompted by the abundance of mass murders in the United States committed by lone gunmen and realized by the student survivors of the Feb. 14 massacre at Marjory Stoneman Douglas High School in Parkland, Florida that left 17 dead at the hands of a former student carrying a semiautomatic rifle.

The movement aimed at spurring gun-control measures in the face of reluctant lawmakers and a powerful NRA lobby determined to maintain access to assault weapons has drawn the attention of supportive sports figures, most notably Miami Heat guard Dwyane Wade, after one of the Parkland victims was buried in his jersey.

Wade and many others in the sports world showed their support for the movement on Saturday on social media and on the playing field.

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