|Full name||Yerson Flavio Opazo Riquelme|
|Date of birth||12 December 1984|
|Place of birth||Villarrica, Chile|
|Height||1.78 m (5 ft 10 in)|
|Playing position||Right midfielder|
|Universidad de Chile|
|2005–2007||Universidad de Chile||16||(6)|
|2005||→ La Serena (loan)||21||(0)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 25 April 2014.
† Appearances (Goals).
Yerson Flavio Opazo Riquelme (born 24 December 1984) is a Chilean footballer that currently plays for the Chilean Primera División club O'Higgins as right midfielder. He has previously played for Universidad de Chile, Deportes La Serena and Colo-Colo.
Universidad de Chile
Opazo began his career at Chilean club, Universidad de Chile. After of play many years in the youth teams of this club, he was promoted to the first team in January 2005 and then was loaned to Deportes La Serena in June of that year. With the 'papayas', he was a key player in the starting XI, so that did reach the semi-finals against Universidad Católica, thanks to the good performance of the team.
For the next season, Opazo returned to Universidad de Chile, but he was on many occasions at the bench, because the experimentates players Waldo Ponce and Julio Moreyra played in his position as frequency players in the team's lineup. In the 2006 Clausura, second semestral tournament, Opazo scored his first competitive goal in his career, in a 2–0 win over Santiago Wanderers on 22 October, scoring the first goal of the game at 14th minute. In 2007, he had an opaque moment in his career and his life, he only played 3 games for the Apertura tournament and protagonizated a scandal with his team-mate Mauricio Pinilla at a disco, being fired the next day Pinilla and Opazo by the coach Jorge Socías.
Deportes La Serena
After one semester without football activity, Opazo was signed by Deportes La Serena, club in where completed a good season in the Clausura 2005 tournament. On 26 January 2008, he made his club debut for a league game against Audax Italiano in a 0–0 away draw at Estadio Monumental. He completed a good season at Serena, playing all games of his club and contributing much at the scheme of the coach Víctor Hugo Castañeda. Because his performance, this made that Yerson would have a chance of be transferred to Colo-Colo, rival of his former club Universidad de Chile.
On 31 December 2008, it was confirmed that Opazo joined Colo-Colo for play the national tournament and the 2009 Copa Libertadores. However, he suffered an injury that made miss to the player the first games of the season, Yerson including only played 7 games in his stady, being after fired by the coach Hugo Tocalli.
- Medalla Santa Cruz de Triana: 2014
- "La "U" vuelve a la pelea". La Cuarta.cl. Diario La Cuarta. Retrieved 22 October 2006.
- "DT de la "U" lapidario con Mauricio Pinilla: "Cada uno cava su propia tumba"". Terra.cl. Terra Deportes Chile. Retrieved 29 May 2007.
- "Yerson Opazo, ex U, y su llegada a Colo Colo: "Empiezo a sentir cariño por esta institución"". Emol.cl. Emol. Retrieved 31 December 2008.