KerbyJoseph
SS#31Illinois
6'1" • 203lbs • 25y/oDraft Eligibility:2022
- Overall Grade '21
- 90.4
- 5th/731 - Ss
- Snap Count '21
- 717
- 122nd/1689 - Ss
- Interceptions '21
- 5
- 1st/731 - Ss
- Pass Breakups '21
- 4
- 66th/731 - Ss
Kerby
Joseph
S
#31
|
Illinois
Summary Bio
Summary Bio
Last updated: 10/28/2026
Kerby Joseph was a safety for the Detroit Lions who earned a 90.4 overall PFF defensive grade in the 2021 season, 5th among 731 qualified safeties. His PFF coverage grade of 90.6 ranked 3rd among 731 qualified safeties. His run-defense grade of 76.4 ranked 142nd at the position.
He recorded 5 interceptions on the season. Joseph broke up 4 passes in coverage. He allowed a 66.4 passer rating when targeted by opposing quarterbacks. He surrendered 9 receptions in coverage. He also contributed 46 solo tackles in run support and open-field situations.
Career
Career
Teams
Year
Detroit Lions
2022 - Present
Illinois Fighting Illini
2018 - 2021
PFF Grades
PFF Grades
2021
Regular
Players receive a ranking if they qualify 25% of the maximum targets, run attempts or dropbacks at the position (depending on the metric).
OVERALL GRADE
90.4
AVG
5th/731 Ss
COVERAGE GRADE
90.6
AVG
3rd/731 Ss
PASS RUSH GRADE
77.2
AVG
54th/731 Ss
RUN DEFENSE GRADE
76.4
AVG
142nd/731 Ss
Highest Graded Games
Highest Graded Games
vs NCCR
84.4
Week 5, 2021
vs WIUN
80.4
Week 6, 2021
@ VAUN
78.3
Week 2, 2021
Lowest Graded Games
Lowest Graded Games
vs OHAK
52.4
Week 1, 2019
vs NEUN
53.5
Week 0, 2021
vs NEUN
53.9
Week 4, 2019
Grades by Game
Grades by Game
There's no Grades by Game data available for this player.
Season Stats
Season Stats
2021
Regular
Players receive a ranking if they qualify 25% of the maximum targets, run attempts or dropbacks at the position (depending on the metric).
SOLO TACKLES
46
214th/731 Ss
INTERCEPTIONS
5
1st/731 Ss
TOTAL PRESSURES
2
219th/731 Ss
RECEPTIONS ALLOWED
9
113th/731 Ss
Defense
View in Premium Stats
Rank
214
th
Solo Tackles
46
286
th
Assists
11
264
th
Forced Fumbles
0
545
th
Stops
8
64
th
Sacks
1
186
th
Missed Tackles
6
1
st
Interceptions
5
150
th
Passer Rating Allowed
66.4
534
th
Yards per Reception Allowed
14.9
219
th
Total Pressures
2
66
th
PBUs
4
113
th
Receptions Allowed
9
Rank
122
nd
Total Snaps
717
71
st
Run Defense Snaps
354
424
th
Pass Rush Snaps
6
166
th
Coverage Snaps
357
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