Guimarães and Saka fire Arsenal to win at Sunderland after Raya spot-kick save

As the final whistle blew Bruno Guimarães wore a mischievous smile, Enzo Le Fée was a study in dejection and Arsenal’s immaculate start to the season remained unblemished. Two minutes after David Raya had, rather majestically, saved Le Fée’s second half penalty, Guimarães delighted both his new north London public and