| Mark Carlson | |
|---|---|
 Carlson in 2013 | |
| MLB – No. 6 | |
| Umpire | |
| Born: (1969-07-11)July 11, 1969 (age 56) Joliet, Illinois, U.S. | |
| MLB debut | |
| June 11, 1999 | |
| Last appearance | |
| April 23, 2025 | |
| Career highlights and awards | |
| Special Assignments |
Mark Christopher Carlson (born July 11, 1969) is an American retiredMajor League Baseballumpire. He wore number 48 until the 2012 season, when his number changed to 6. He was promoted to crew chief for the 2021 season. Carlson's MLB career began in 1999, and he retired following the 2025 season.[1][2]
Carlson began his career as aNational League umpire in1999, and has worked in both Major Leagues since2000.[1] Carlson had previously worked in thePioneer,Midwest,Florida State,Southern,International, andArizona Fall leagues before reaching MLB.[2] Carlson has umpired theDivision Series (2005,2007,2011,2012,2015,2020,2022,2023,2024),League Championship Series (2013,2014,2017,2018,2019,2021) andWorld Series (2015,2020,2024).
Carlson was theleft field umpire in the2003 All-Star Game.
He was the home plate umpire for the May 2, 2012no-hitter thrown byLos Angeles Angels pitcherJered Weaver.[3]
He was the second base umpire on September 28, 2012, whenHomer Bailey of theCincinnati Reds no-hit thePittsburgh Pirates.[4]
MLB selected Carlson to officiate the 2014Opening Series from March 20–23, 2014 at theSydney Cricket Ground inSydney,Australia.[5]
Carlson served as the Rules Analyst forMLB on FOX for the2025 World Series.[6]
Carlson was involved in baseball throughout his childhood. Carlson attendedJoliet West High School andParkland College, where he played catcher. He also served in theUnited States Marine Corps and served as a board member for UMPS Care Charities before founding theMark Carlson's Care children's charity.[7] He resides inIllinois with his wife and two daughters.[2]
