So far, the following Big Ten teams are without a Quad 1 or Quad 2 win:
#16 UCLA (making their ranking a bit of a surprise)
#34 Penn State
#35 Michigan
#71 Indiana
#73 Northwestern
#116 Washington
#155 Minnesota
#169 USC
Fortunately, no Big Ten team has suffered a Quad 4 loss yet. However, of the teams listed above, Michigan, Minnesota and USC all have a Quad 3 loss. Given Michigan's pretty good NET Ranking, it appears that Minnesota and USC are the clear losers thus far. While Rutgers avoids being on that list thanks to one Quad 2 win, they also have a bad Quad 3 loss at #143 Kennesaw State.
These are the Quad 1 and Quad 2 wins for Big Ten teams so far:
QUAD 1
Oregon: 3
W vs. #13 Alabama (N - Paradise, NV)
W vs #43 Texas A&M (N - Paradise, NV)
W at #49 Oregon State
Wisconsin: 1
W vs. #5 Pitt (N - White Sulphur Springs, WV)
Purdue: 1
W vs. #13 Alabama
Michigan State: 1
W vs #26 North Carolina (N - Maui, HI)
Reminder before we get to the Quad 2 list, we would just need Arkansas to move up ONE spot to have a Quad 1 win.
QUAD 2
Purdue: 2
W vs. #55 Ole Miss (N - San Diego, CA)
W vs. #91 NC State (N - San Diego, CA)
Wisconsin: 2
W vs. #65 Arizona
W vs. #84 UCF (N - White Sulphur Springs, WV)
Illinois: 1
W vs. #51 Arkansas (N - Kansas City, MO)
Ohio State: 1
W vs. #56 Texas (N - Paradise, NV)
Oregon: 1
W vs. #60 San Diego State (N - Paradise, NV)
Iowa: 1
W vs. #87 Washington State (N - Moline, IL)
Maryland: 1
W vs. #92 Villanova (N - Newark, NJ)
Rutgers: 1
W vs. #97 Notre Dame (N - Paradise, NV)
Nebraska: 1
W at #99 Creighton