Agustín Viana

Viana began his career with Uruguayan side Bella Vista. He remained at the club for four years before drawing the attention of Uruguayan power Nacional Montevideo. He then joined Nacional and helped the club in capturing the 2005–06 Uruguayan Primera División title. With Nacional he made 35 league appearances and scored one goal. Viana joined Atlético Mineiro in January 2008 on loan from Nacional. Viana played for the club in the 2008 Copa do Brasil and Campeonato Mineiro. After one year in Brazil Viana returned to his first club Bella Vista. In January 2009, Viana transferred to CFR Cluj. However, he did not feature regularly for the Romanian club. After a brief stay in Romania Viana signed with Italian club Gallipoli and quickly established himself as a starter. The following season, he returned to Bella Vista and was one of Uruguays top defenders. In July 2010 Nacional made public his desire of reacquiring Viana. However, he signed with Greek club Levadiakos and appeared in 13 league matches for the club. In 2012, he returned to Bella Vista and started all of the club's 15 matches in the Apertura and scored 2 goals. On 28 January 2013 he signed with the Columbus Crew. Viana was released on 18 November 2014 after two season with The Crew.

Viana was part of Uruguay's youth team set ups, including the U20 squad that competed in the 2003 South American U-20 Championship held in his native Uruguay.

Nacional Montevideo Primera División: 2005–06