|Born: December 8, 1981|
|April 24, 2010|
|Career highlights and awards|
Blaser is a graduate of Pomona High School and attended Colorado State University. 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. His uniform number is 89.
- "Cory Blaser". mlb.com. MLB Advanced Media, L.P. Retrieved 20 May 2012.
- Imber, Gil. "Confirmed: MLB Hires 7 New Umpires to Full-Time Staff." Close Call Sports/Umpire Ejection Fantasy League. Retrieved 14 Jan 2014.
- "Cubs vs. Pirates - Box Score - October 7, 2015 - ESPN".