Bukayo Saka starred in Arsenal's 2-0 victory, scoring and assisting in their season opener.
Chelsea's goalkeeper issues were highlighted in their 2-0 loss to Manchester City, with Robert Sanchez making a key mistake.
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Manchester City picked up where they left off last season with a 2-0 win at Chelsea to begin their Premier League title defence as Arsenal, Liverpool and Manchester United also got off to winning starts.
Here are three talking points from the opening weekend's action.
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