Ted Barrett became a member of the Major League Baseball staff in 1999 and became a crew chief for the 2013 season. He has worked the 2012-2013 A.L. Wild Card Games, Division Series (2000-03, 06-07, 11), the League Championship Series (2005, 08-10, 12-13), the 2007 and 2011 World Series, the 2007 All-Star Game and the 2004 Japan All-Star Tour. Ted is the only umpire ever to work the plate for multiple perfect games (David Cone's on July 18, 1999 and Matt Cain's on June 13, 2012). He also called balls and strikes for Ervin Santana's no-hitter on July 27, 2011 and was at first base for Seattle's combined no-hitter on June 8, 2012, just five days before Cain's gem.

Ted was an instructor at MLB's inaugural Umpire Camps (MLBUC.com), held at MLB's Urban Youth Academy in Compton, California in November 2006 and participated in MLB's Umpire Camp for Marines as an instructor in March 2009 in San Diego. Ted began his professional career in extended spring training upon his graduation from the Joe Brinkman Umpire School in 1989.