sentences:  On December 30, 2006, Brown signed a minor league contract with an invitation to spring training with the Arizona Diamondbacks and was assigned to the Tucson Sidewinders, Arizona's Triple-A affiliate.On May 30, 2007, Brown was traded to the Oakland Athletics for cash considerations.In December 2007, Brown signed a minor league contract with the Los Angeles Angels of Anaheim and spent the entire season in Triple-A and became a free agent after the season.