Arsenal and Manchester United meet on American soil for the second time amid their pre-season tours, so here is everything you need to know including how to watch live. The Gunners and Red Devils have both jetted across the Atlantic as Mikel Arteta and Erik ten Hag get their squads in shape this summer. Arteta will hope their trip Stateside sees Arsenal return ready for the Premier League title fight. Ten Hag will want to get back in the top four. Arsenal missed out on their first top-flight title in 20 years last term by just two points. Their 89 points were still 29 more than Manchester Unit…