 In 2006, Alvial was the manager of the USL Puerto Rico Islanders, recruiting players such as three-time Argentine national title winner Gustavo Barros Schelotto and Chilean international Arturo Norambuena to join his team.However, during his 2006 undefeated season, however, he left the team to be chief scout of the Americas for Chelsea alongside Hans Gillhaus and world-known scout Piet de Visser.From when he joined Chelsea in 2006, Alvial has worked with Chelsea managers José Mourinho, Carlo Ancelotti, André Villas-Boas, Guus Hiddink, Luiz Felipe Scolari and Avram Grant.