Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Celso Fabián Ortíz Gamarra (born 26 January 1989 in Asunción), commonly known simply as Celso Ortiz, is a Paraguayan football midfielder currently playing for AZ in the Netherlands. On 26 August 2009, AZ Alkmaar secured the services of the Paraguayan football midfielder. The Dutch club have signed him from Cerro Porteño on a five-year deal. Ortiz joined AZ in January 2010. Ortiz was a member of the Paraguay national under-20 football team and represented the team at 2009 FIFA U-20 World Cup held in Egypt.