The 29-year-old was tearful as he talked about the supporter and the troubles they have been going through. He tweeted: “In 2016 we will work with @RelatsSolidaris to end the rare disease PKU (Phenylketonuria).” Este 2016 vamos a trabajar con @RelatsSolidaris para acabar conla enfermedad rara de la PKU. Comprad el libro!! pic.twitter.com/8bHGG9caEr— Luis Suarez (@LuisSuarez9) April 21, 2016 Sanchez scores brace in Arsenal's win over West Brom Man United stars take on ultimate challenge!Barcelona unveil Nou Camp Nou StadiumReal Madrid star Cristiano Ronaldo plays down injury concern