article_snippet: Alexis Sanchez was back on familiar ground on Friday as the Chile national team trained at the Arsenal's London Colney base ahead of the Chile national team match against Brazil at the Emirates on Sunday.
article_snippet: Alexis Sanchez was back at Arsenal on Friday training with the Chile national team ahead of friendly at the Emirates .
article_snippet: Sanchez and Juventus midfielder Arturo Vidal train side by side at Arsenal's base in Hertfordshire .
highlights_snippet: Alexis Sanchez trained with Chile squad at Arsenal's London Colney base .
  