Umpire Mark Buchanan
Has umpired for 1st (Highest), 28th (Lowest), 8th (Average)
Conferences by Annual Ranking.
Worked in front of 44,046 Fans.
Officiated Conferences (including non-conference assignments):
2013
Pac-12 (12 games)
WAC (6 games)
2014
Big 12 (2 games)
Pac-12 (19 games)
WAC (16 games)
WCC (1 games)
2015
Pac-12 (21 games)
WAC (9 games)
2016
C-USA (1 games)
MWC (3 games)
Pac-12 (18 games)
Sun Belt (3 games)
WCC (9 games)
2017
ACC (2 games)
Big Ten (1 games)
Big West (3 games)
Pac-12 (16 games)
SEC (1 games)
SoCon (2 games)
WCC (7 games)
2018
Big 12 (1 games)
Big Ten (1 games)
Pac-12 (22 games)
SEC (2 games)
WCC (12 games)
2019
Big 12 (3 games)
Big West (6 games)
MVC (2 games)
Pac-12 (23 games)
SEC (2 games)
WAC (3 games)
WCC (1 games)
2020
Pac-12 (10 games)
WAC (3 games)
Teams Umpired (76 Teams):
| Abilene Christian | Alabama St. | Arizona |
| Arizona St. | Ball St. | Boston College |
| BYU | Cal Poly | Cal St. Fullerton |
| California | Central Mich. | Chicago St. |
| Clemson | CSU Bakersfield | DBU |
| East Carolina | Eastern Mich. | Florida St. |
| Gonzaga | Grand Canyon | Indiana |
| Indiana St. | Kent St. | Long Beach St. |
| Loyola Marymount | Manhattan | McNeese |
| Michigan St. | Nebraska | Nevada |
| New Mexico | New Mexico St. | Niagara |
| North Dakota | Ohio St. | Oklahoma |
| Oklahoma St. | Omaha | Oregon |
| Oregon St. | Pacific | Pepperdine |
| Portland | Purdue | Rice |
| Sacramento St. | Saint Mary's (CA) | San Diego |
| San Francisco | Santa Clara | Seattle U |
| South Alabama | Southern California | Southern Miss. |
| St. John's (NY) | Stanford | Tennessee Tech |
| Texas | Texas A&M | Texas Southern |
| Texas Tech | UC Davis | UC Riverside |
| UC Santa Barbara | UCLA | UNCG |
| UNLV | UT Arlington | Utah |
| Utah Valley | UTRGV | Vanderbilt |
| Washington | Washington St. | Wichita St. |
| Xavier |