Education
Blaser is a graduate of Pomona High School and attended Colorado State University.
Blaser is a graduate of Pomona High School and attended Colorado State University.
He umpired his first major league game on April 24, 2010. His uniform number is 89. He had previously worked in the Arizona League Northwest League, Midwest League Carolina League Eastern League Florida Instructional League, and Arizona Instructional League.
Blaser attended the Harry Wendelstedt Umpire School, and works as an instructor there in the off-season.
Blaser was officially named to the full-time MLB staff prior to the 2014 season. Blaser worked his first career MLB Playoff game in right field on October 7, 2015 between the Chicago Cubs and the Pittsburgh Pirates.
