The ball designed changed for the 2018 World Cup. Here's a history. https://www....

		dnetesn on July 14, 2018 \| parent \| context \| favorite \| on: NASA engineer explains the aerodynamics of the Wor... The ball designed changed for the 2018 World Cup. Here's a history. https://www.worldsoccer.com/world-cup/world-cup-ball-401201