Alexis Sanchez has been training at Arsenal 's London Colney training base with Chile ahead of their game against Brazil in London , but has been joined by some unlikely new team-mates : his dogs . Sanchez 's Chile meet Brazil in a repeat of last summer 's World Cup second-round clash at the Emirates Stadium on Sunday , and the Arsenal forward has been making the most of his home comforts between training sessions with his international colleagues . In what seems a slightly unusual way of preparing for a game , the 26-year-old has been taking his dogs around the pitches during the international break . Alexis Sanchez is pictured with his two dogs Atom and Humber during training with Chile on Saturday . The Chile star joined his two dogs for a jog around Arsenal 's London Colney base ahead of facing Brazil . Dog-loving Sanchez 's canine duo Atom and Humber were pictured accompanying their owner on a jog around the north London base . Sunday 's South American showdown at the Emirates pits Sanchez against his former Barcelona team-mate Neymar , who he still holds a close friendship with . The pair last met at the World Cup , with Neymar 's Brazil prevailing on penalties . Sanchez had scored Chile 's first-half equaliser in Belo Horizonte but missed in the shoot-out before Neymar sealed the win for the hosts . The game against Brazil at the Emirates Stadium reunites Sanchez with his former team-mate Neymar . The pair spent a year together at Barcelona before Sanchez was sold on to Arsenal last summer . ' I 'm so excited and honoured to be playing for the national team of Chile , against our great rivals Brazil , in front of the incredible Arsenal fans at Emirates Stadium , ' Sanchez said . ' I also look forward to playing against my good friend Neymar . 'Matches between Brazil and Chile are always exciting encounters , and for me , to play this game at Emirates Stadium will make the match even more special . ' Training at London Colney with Chile is a familiar experience for Sanchez , as it is usually Arsenal 's base . The 26-year-old forward has had an impressive season since arriving in the Barclays Premier League .
Alexis Sanchez has been enjoying some time with his dogs in training . The dogs , Atom and Humber , were seen running around London Colney . Sanchez and Chile face his Neymar and his close friend Brazil on Sunday .