There were two big flashpoints during Arsenal's 1-0 win over Liverpool, demonstrating the good and bad sides of VAR.

Source: [Sky Sports](https://www.skysports.com/football/news/12040/13606793/liverpool-0-1-arsenal-alexander-isak-jurrien-timber-shirt-pull-and-noni-madueke-alexis-mac-allister-headbutt-show-good-and-bad-sides-of-var)

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