Club Social y Deportivo Colo-Colo is a club based in the commune of Macul in Santiago, Chile. It competes in the Primera División, the top-flight football league in the country, from which they have never been relegated. Their home ground is the Estadio Monumental David Arellano.

Colo-Colo is the most successful and popular team in Chile. They have won a record 29 Primera División titles and 10 Copa Chile. Internationally, they are also the most successful Chilean team having won the Copa Libertadores (1991), the Recopa Sudamericana (1992), and the Copa Interamericana (1992). Colo-Colo was ranked among the top 30 football clubs by the IFFHS in the 2007 All-Time Club World Ranking. In 2009, IFFHS rated Colo-Colo as Chile's top club of the 20th century and one of the top twenty in South America.

Colo-Colo was founded in 1925 by breakaway players of Magallanes led by David Arellano. They currently stand as being the most supported club in the country and have been managed by Blanco y Negro S.A. since 2005. They have a fierce rivalry with Universidad de Chile as both are the two most supported and successful clubs in the country.

João Bosco de Freitas Mucci, better known as João Bosco (Portuguese pronunciation: [ˈʒoãw ˈbosku]) is a noted Brazilian singer-songwriter with a distinctive style as a guitarist. In the 1970s he established his reputation in Brazilian MPB alongside collaborator lyricist Aldir Blanc.

Born on July 13, 1946, in Ponte Nova, Minas Gerais, João Bosco's profession was engineering when he moved to Rio de Janeiro, where his songs were also recorded by Elis Regina and were a success. He soon became admired as a versatile vocalist and a dynamic performer. João Bosco has been noted for "his singular fusion of Arab culture, Afro-American music and Brazilian styles bossa nova," influenced by American jazz.^{[citation needed]} In the introduction to his three-volume Songbook, Almir Chediak observes, "Brilliant composer João Bosco's melodic and harmonic constructions are among the most auspicious in Brazilian music." Chapter Five of Masters of Contemporary Brazilian Song MPB 1965-1985 by Charles A. Perrone (U Texas P 1989) is dedicated to the work of Bosco and Blanc.

Emilio Exequiel Hernández Hernández (born September 14, 1984 in Santiago, Chile) is a Chilean footballer, currently at Universidad de Chile.

Hernández began his career with Universidad de Chile, in 2005 he was loaned to Everton. In January 2007, he was returned to Universidad de Chile and began to earn himself a regular spot in the first team with his good form. Emilio scored in the first final of Torneo Apertura 2009 against Unión Española, the match finished 1-1. In the second match U. de Chile defeated Unión Española 1-0 and become champions.

On 23 July 2009, Hernández left Universidad de Chile after a few years and signed with Cruz Azul.

On January 2010 has left Cruz Azul to sign an one year loan deal with Argentinos Juniors. He made his debut for the club in a 2-2 draw against Boca Juniors on 31 January 2010.

Hernández was a regular player in the Argentinos Juniors team that won the Clausura 2010 championship. He played in 12 of the club's 19 games and scored 1 goal during their championship winning campaign.

Esteban Efraín Paredes Quintanilla (Spanish pronunciation: [esˈteβan paˈɾeðes], born 1 August 1980) is a Chilean footballer that currently plays for Primera División side Colo-Colo as a striker. He can also operates as a playmaker.

He began his football career at Santiago Morning of the first tier of his country, in where scored 51 goals in 107 appearances during five seasons. In June 2009, was sold to Chilean powerhouse club Colo-Colo, for a US$500.000 transfer fee.

On 1 June 2009, was reported that powerhouse club Colo-Colo acquired to Paredes in a US$500.000 fee, for a two–season contract. After a successful season in the Clausura Tournament, in where scored nine goals, Paredes won his first Primera División title in his career, in where he was a key player in that tournament achieved. He started the next season of very good form scoring five goals in six games, but unfortunately, on 31 March 2010, Paredes suffered a serious injury against Venezuela in a friendly game, which mean that will miss one month of action with Colo-Colo. On 25 April, when Hugo Tocalli leave the charge for personal reasons and shortly after arrived Diego Cagna, he incremented his tally goal, scoring seven in the last part of the tournament, thanks to that, he was placed by the IFFHS in the 14th place of the league top-scorers of the world. Despite of this achieve, the team had a regular season, after lost a championship practically won to Universidad Católica in the last weeks.

Emiliano Gabriel Vecchio (born 16 November 1988) is an Argentine footballer who currently plays for Chilean Primera División club Unión Española as playmaker.