Arsenal summer transfer target Raheem Sterling scored a brace for Manchester City in their 5-0 win against Crystal Palace at the Etihad Stadium on Saturday, and it's fair to say that Gunners fans were impressed with what they saw.The Daily Mail says that Arsene Wenger proposed a swap deal involving the England international and contract rebel Alexis Sanchez towards the end of the transfer window, but Pep Guardiola blocked any potential deal.The Daily Mail says that the 22-year-old is still a target for the Gunners though, and they would have been impressed as he scored two quick-fire second half goals against the Eagles before being replaced by Bernardo Silva on the hour-mark.The former Liverpool man has netted five goals in five Premier League appearances for the Citizens this term, and looks to be at the top of his game.Arsenal supporters were quick to have their say on the forward’s performance via social media, and while some described him as "criminally underrated", others simply think "he’s class".Here is just a selection of the Twitter reaction…

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