Messi will decide when he retires, says Argentina FA chief

• Football leagues around Europe are gearing up for the new season and preseason training and friendlies are in full flow.
• All eyes will be on the transfer window as clubs scramble to find the missing pieces, either in the starting lineup or to complete the squad.
• Bruno Guimaraes looks set to move to Premier League champions Arsenal, but Newcastle say they did not want to sell.