[1] He arrived in 1993 to prove to Universidad Católica next to his twin brother Iván, after the pickers of the UC saw him play in a championship in his native Curicó.

For 1997 made his debut in the Professional Squad, he played 31 minutes with just 17 years in the 4–0 win against Colo-Colo (in that duel lined up youths due to a footballers' strike).

The year 2002 obtained the titularity in the crossed squad, being champion of the Torneo de Apertura, and playing 43 parties with 2 goals.

[6] In 2011, Álvarez returned to his home club, Universidad Católica,[7] Where he shared the captaincy of the team with his lifelong friend Milovan Mirosevic.

[14] He has also been in charge of a football academy in Curicó affiliated to Universidad Católica, just like another former players such as René Valenzuela, Carlos Verdugo, Luciano Saavedra, Ian Mac-Niven, among others.

[15] He is nicknamed Huaso, like the traditional countryman of the Central Chile, due to the fact his birthplace is Curicó, a city in the Maule Region.

[16] His father, Luis Hernán, was the top goalscorer of the 1963 Primera División de Chile playing for Colo-Colo, becoming an idol for the club.