Mark Carlson (umpire), Date of Birth, Place of Birth
TweetMark Carlson (umpire)
baseball umpire from the United States
Date of Birth: 11-Jul-1969
Place of Birth: Joliet, Illinois, United States
Profession: baseball umpire
Nationality: United States
Zodiac Sign: Cancer 
About Mark Carlson (umpire)
- Mark Christopher Carlson (born July 11, 1969) is an umpire in Major League Baseball.
- He wore number 48 until the 2012 season, when his number changed to 6.
Read more at Wikipedia