Studies suggest that VAR is slowing down the game and changing refs' calls. But the tech is here to stay: The last big soccer league just adopted it.
source https://www.wired.com/story/video-review-is-changing-soccer-and-no-one-seems-to-want-it
source https://www.wired.com/story/video-review-is-changing-soccer-and-no-one-seems-to-want-it
