Umpire Profile and Ejection Statistics
Name: Jeff Nelson
Number: 45
2012 Crew: --
Crew Chief: No

2011 Ejections: 4 (14th)
2011 Points: 22 (6th)

Ejection History: 5 (2005), 1 (2006), 1 (2007), 4 (2008), 2 (2009), 4 (2010), 4 (2011)
2011 Ejections: HOU Michael Bourn (6/19), HOU Brad Mills (6/19), WSH Jerry Hairston, Jr. (6/24), CWS Alexei Ramirez (8/19)

Jeffrey Brian Nelson (born on June 1, 1965 in St. Paul, Minnesota) is an umpire in Major League Baseball who was named to the National League staff prior to the 1999 season, and has worked throughout both major leagues since 2000. Nelson, a graduate of Bethel University in St. Paul, Minnesota, wears uniform number 45.

Nelson was named Top Prospect at the Joe Brinkman Umpiring School in 1989. He was promoted to the National League prior to the 1999 season along with Paul Nauert to fill vacancies left by the retirements of Jim Quick and Harry Wendelstedt.