Chadwick Jarrett Fairchild (born December 30, 1970) is an American umpire in Major League Baseball. He wore number 75 until the 2014 season, when he changed to number 4 (formerly worn by Tim Tschida). He has worked in one All-Star Game (2013) and four Division Series (2011, 2012, 2015, 2018). In 2017, he worked the ALCS between the Houston Astros and New York Yankees and was the plate umpire for Game 1.