The 2009 Oakland Athletics season was participated by 14 teams such as Baltimore, Boston, and Chicago which is managed by Ozzie Guilln.
The Oakland Athletics' 2009 season was their 41st in Oakland, California. Baltimore Boston Chicago Cleveland Detroit Kansas City Los Angeles Minnesota New York Oakland Seattle Tampa Bay Texas Toronto 
Oswaldo Jose Guillen Barrios (Spanish pronunciation: [ien; born January 20, 1964) is a Venezuelan former professional baseball player and manager. In 2005, Guillen became the first Latino manager in major league history to win a World Series when he captained the Chicago White Sox to their first championship in 88 years. Chicago White Sox 2004 2011 Miami Marlins 2012 2012 Other major players included Robin Ventura, Ozzie Guillen, Jack McDowell, and Bobby Thigpen. In 2004, Ozzie Guillen was hired as manager of his former team. Guillen had marginal success during the rest of his tenure, with the Sox winning the Central Division title in 2008 after a one-game playoff with the Minnesota Twins. However, Guillen left the White Sox after the 2011 season, and was replaced by former teammate Robin Ventura. 
