Career
In 1987, Ríos joined the Universidad Católica youth system. In 2001, he moved to Everton de Viña del March before moving to Palestino in 2002. From 2003 to 2004, he played for Unión Española.
In 2005, he moved to the United States where he signed with the Atlanta Silverbacks in the USL First Division.
He was a 2005 and 2006 second team All Star. The Silverbacks withdrew from the league following the 2008 season.
The club re-emerged in the North American Soccer League for the 2011 season. In preparation, the Silverbacks hired Ríos as Director of Soccer on December 18, 2010.
In 2012, Rios started coaching Youth Soccer at Norcross Soccer Academy, he was awarded Girls Academy "Coach of the year" for the state of Georgia in 2013.
He currently is USSF "A" License Coach. In 1996, Ríos earned eight caps with the Chilean U-20 national team In 2000, he played six games, scoring one goal, with the U-23 team during qualification for the 2000 Summer Olympics.
However, he was not selected for the final roster.