The top champs globally to counter Yorick include Kai'Sa, Zeri, and Ezreal. These champs are all good at countering Yorick with high win rates over 56%. Even if these Yorick counter picks are not used in the same position as you, it's not smart to choose him into any of these matchups. They will usually destroy Yorick.
Yet, if the other team brings either Maokai or Kennen, you should seriously consider taking him, as he easily crushes these champs with win rates over 54% against both ofthem.
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