sentences:  He served as a major league reserve umpire before he was called up to the majors on a full-time basis in 2001.Timmons was promoted to replace Al Clark, who lost his job related to improper use of plane tickets.Timmons served as a left field umpire for the 2009 Major League Baseball All-Star Game, and third base umpire for the 2019 Major League Baseball All-Star Game, and has also worked the 2005 and 2009 National League Division Series.