Umaña played for Carmelita and Herediano in his native Costa Rica before coming to the United States in 2005 to play on loan in Major League Soccer with Los Angeles Galaxy. Umaña was released by Galaxy after the 2005 season after an unsuccessful campaign, and returned to Costa Rica to play for Brujas. He moved back to Herediano in 2006, but asked the club to be transferlisted after a move to Israeli side Mississippi Ironi Ashdod fell through.
He eventually transferred to Liberia Mia in 2007, where he spent the next three seasons.
Chivas United States of America Umaña scored his first goal with Chivas United States of America in a Superliga 2010 match against Puebla. Umaña spent the 2010 and 2011 seasons with Chivas United States of America. Central America In January 2012, after his release from Chivas, he signed with Guatemalan side Comunicaciones and a year later he returned to Costa Rica to play for Saprissa.
Persepolis On 17 August 2014, Umaña joined Persepolis after passing medical tests, thus became the first ever Costa Rican football player to play in Iran. He signed a two-year contract with the club and was given the number 4 shirt.
He made his debut for the club on 25 August in a 1–1 draw against Padideh.
Umaña played for the Costa Rican national team at various youth levels, and was part of their squad at the 2004 Summer Olympics. He made his senior debut for Costa Rica in a June 2004 friendly match against Nicaragua and has, as of December 2014, earned a total of 87 caps, scoring 1 goal. He played in all three of Costa Rica"s group matches at the 2006 Fédération internationale de football association World Cup, as the team was eliminated without winning a point.
During the round of 16, Umaña converted Costa Rica"s decisive fifth kick in a 5–3 penalty shootout defeat of Greece.
In the quarter-final against the Netherlands, Umaña was one of two Costa Ricans to have his kick saved by Tim Krul in a 4–3 penalty shootout loss. International goals Scores and results list Costa Rica"s goal tally first.
Los Angeles Galaxy.