sentences:  He became a regular contributor to the Arizona bullpen in both 2003 and 2004, pitching in 50 games in 2003 and 45 in 2004.In January, 2005, Arizona traded him to the Chicago Cubs but the Cubs released him at the end of spring training and he spent the 2005 season with minor league affiliates of the San Francisco Giants and Washington Nationals and the 2006 season with the Charlotte Knights in the Chicago White Sox organization.On January 4, 2007, he signed a minor league deal with the Houston Astros
  and was called up to Houston from Triple-A Round Rock April 25 when reliever Rick White was placed on the disabled list (DL) with an oblique strain.