Answer
Carlos Moyá became Rafael Nadal's coach in 2016, replacing Toni Nadal, who had been Nadal's coach since he was 12 years old. Moyá and Nadal had previously played together on the Davis Cup team, and Moyá was impressed by Nadal's work ethic and dedication. Moyá has said that he is looking forward to helping Nadal to continue to improve his game and win more Grand Slam titles.