Bukayo SakaSaka continued to show he has a bright future at Arsenal with an energetic performance in which he set up Lacazette's opener.Playing on the right wing, he ran tirelessly in the first half but lacked quality in his final balls.But the 19-year-old came out firing for the second half with Arsenal looking much more incisive in attack, laying on a great chance for Pierre-Emerick Aubameyang.And Saka's energy and hard work paid off shortly after the hour mark when he raced down the right and played in a perfect ball for the unmarked Lacazette to fire home.Saka hobbled off with an injury later in the game, and Arsenal will hope it is not serious.Mikel ArtetaWhatever Arteta said to his Arsenal players at half-time, it seemed to have.
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