Sanchez shows his Arsenal team-mates what he's got as £30m man steps it up ahead of Emirates Cup... with thumbs-up for boss

                                                                                                                                                                                                          Alexis Sanchez took part in Arsenal training on Friday ahead of making his debut at the Emirates Cup. The £30million signing will feature for the Gunners at the weekend for the first time since his move from Spanish giants Barcelona. Sanchez missed the club's four-day trip to United States last week, due to his World Cup exploits but reported back for pre-season training on Tuesday.