Colo-Colo

On 14 December 2010, was revealed that Jerez would arrive to the giant club of Colo-Colo on replace of Roberto Cereceda, who was banned for doping problems. The other possible candidates to replace Cereceda were his team-mate Nelson Rebolledo and Matías Campos Toro of Audax Italiano.^[1] On 16 December, two days later, his transference to Colo-Colo was confirmed, and after of the transfer confirmation he said that: "Arrive to Colo-Colo is a very big opportunity".^[2]

Jerez made his club debut in a pre-season friendly against Deportes La Serena as a starter, playing the full 90 minutes in a 1–0 loss. On 30 January 2011, he played his first competitive match against Cobresal for a league game, match that finished 2–2 draw and then in a 3–0 loss, because for administrative problems with the signing of the player Joan Muñoz.^[3] His Copa Libertadores debut came on 11 March against Táchira, playing the full match in his club victory 4–2 at Venezuela. He scored his club's first goal in a 3–2 loss against the Brazilian club Santos at the 81st minute, being the Colo-Colo's first score discount of the game, before the second discount of Diego Rubio, after of six minutes.