Updates from the 3pm BST kick-off in CardiffJonathan Wilson: Community Shield offers insightRecent studies have highlighted the myriad benefits of screen time, so why not get in on the action by trying The Guardian’s first daily football game?Mikel Arteta has said he is relaxed about his Arsenal contract expiring at the end of the new season and believes his side will need to be better than last year to defend their title successfully. Continue reading...