Apologies for using this board's search function as a clip and save for research but I didn't want to lose this accounting of every team in America with multiple 4-star defensive players on the roster in 2021:
Alabama (39)
Ohio State (37)
Florida (35)
Georgia (33)
LSU (27)
Oklahoma (27)
Clemson (26)
Texas (26)
Texas A&M (25)
USC (25)
Penn State (25)
Michigan (23)
Auburn (22)
Miami (21)
Oregon (19)
Notre Dame (19)
Florida State (19)
North Carolina (17)
Washington (15)
Tennessee (13)
Kentucky (12)
South Carolina (11)
Nebraska (10)
UCLA (10)
Arizona State (10)
Ole Miss (10)
Stanford (9)
NC State (9)
Mississippi State (8)
Georgia Tech (8)
Maryland (8)
Virginia Tech (8)
Arkansas (7)
Utah (7)
TCU (6)
Michigan State (6)
SMU (6)
Wisconsin (5)
Pitt (5)
UCF (4)
Iowa (4)
Missouri (4)
Purdue (4)
Colorado (4)
Illinois (4)
Vanderbilt (4)
Rutgers (4)
Troy (4)
Indiana (3)
Baylor (3)
Minnesota (3)
Oklahoma State (3)
Boston College (3)
Memphis (3)
Virginia (3)
West Virginia (3)
Louisville (3)
Western Kentucky (3)
Cal (2)
Northwestern (2)
Oregon State (2)
Cincinnati (2)
Arizona (2)
USF (2)
Kansas (2)
FIU (2)
Tulsa (2)
Marshall (2)
South Alabama (2)
Akron (2)
Alabama (39)
Ohio State (37)
Florida (35)
Georgia (33)
LSU (27)
Oklahoma (27)
Clemson (26)
Texas (26)
Texas A&M (25)
USC (25)
Penn State (25)
Michigan (23)
Auburn (22)
Miami (21)
Oregon (19)
Notre Dame (19)
Florida State (19)
North Carolina (17)
Washington (15)
Tennessee (13)
Kentucky (12)
South Carolina (11)
Nebraska (10)
UCLA (10)
Arizona State (10)
Ole Miss (10)
Stanford (9)
NC State (9)
Mississippi State (8)
Georgia Tech (8)
Maryland (8)
Virginia Tech (8)
Arkansas (7)
Utah (7)
TCU (6)
Michigan State (6)
SMU (6)
Wisconsin (5)
Pitt (5)
UCF (4)
Iowa (4)
Missouri (4)
Purdue (4)
Colorado (4)
Illinois (4)
Vanderbilt (4)
Rutgers (4)
Troy (4)
Indiana (3)
Baylor (3)
Minnesota (3)
Oklahoma State (3)
Boston College (3)
Memphis (3)
Virginia (3)
West Virginia (3)
Louisville (3)
Western Kentucky (3)
Cal (2)
Northwestern (2)
Oregon State (2)
Cincinnati (2)
Arizona (2)
USF (2)
Kansas (2)
FIU (2)
Tulsa (2)
Marshall (2)
South Alabama (2)
Akron (2)