Umpire Mike Duffy
Has umpired for 1st (Highest), 32nd (Lowest), 9th (Average)
Conferences by Annual Ranking.
Worked in front of 60,426 Fans.
Officiated Conferences (including non-conference assignments):
2013
ACC (4 games)
Big Ten (17 games)
CAA (2 games)
MAC (14 games)
SEC (1 games)
2014
AAC (9 games)
ACC (7 games)
America East (2 games)
ASUN (2 games)
Big Ten (16 games)
C-USA (3 games)
MAC (7 games)
2015
AAC (8 games)
ACC (4 games)
Big 12 (1 games)
Big Ten (18 games)
C-USA (1 games)
MAC (9 games)
MEAC (1 games)
SEC (3 games)
2016
AAC (9 games)
Big South (1 games)
Big Ten (21 games)
MAC (7 games)
Pac-12 (2 games)
SEC (1 games)
Southland (2 games)
Sun Belt (1 games)
2017
AAC (3 games)
ACC (1 games)
Big 12 (2 games)
Big Ten (22 games)
MAC (9 games)
SEC (4 games)
2018
AAC (6 games)
ACC (1 games)
Big Ten (24 games)
MAC (6 games)
2019
AAC (10 games)
Big Ten (20 games)
MAC (9 games)
2020
Big Ten (3 games)
Teams Umpired (75 Teams):
| Alabama | Arizona | Arkansas |
| Ball St. | Baylor | Binghamton |
| Boston College | Bowling Green | Brown |
| Cal St. Fullerton | Central Mich. | Chicago St. |
| Cincinnati | Coastal Caro. | Creighton |
| East Carolina | Eastern Mich. | FIU |
| Fla. Atlantic | Florida | Florida A&M |
| Florida St. | Ga. Southern | Houston |
| Illinois | Indiana | Indiana St. |
| Iowa | Kennesaw St. | Kent St. |
| Louisiana | Louisville | LSU |
| Marshall | Maryland | Massachusetts |
| Memphis | Miami (FL) | Miami (OH) |
| Michigan | Michigan St. | Minnesota |
| NC State | Nebraska | North Carolina |
| Northern Ill. | Northwestern | Notre Dame |
| Oakland | Ohio | Ohio St. |
| Ole Miss | Penn St. | Princeton |
| Purdue | Rutgers | Sam Houston St. |
| South Carolina | South Fla. | TCU |
| Temple | Texas A&M | Texas Tech |
| Toledo | Tulane | UCF |
| UConn | UMass Lowell | Utah |
| Vanderbilt | Virginia | Western Mich. |
| Wichita St. | William & Mary | Wright St. |