 During the year he played 36 games between the Apertura and Clausura tournaments.After of the departure of Arturo Salah and the arrival of the Uruguayan coach Sergio Markarián, Díaz was used as a left back, unlike Salah that used him as an attacking midfielder.On 28 January 2009, he scored his first international goal in a 1–0 home victory to Pachuca.