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INACTIVE

Mark 
Fields

CB
#25
|
SF 49ers
5'10"
192lbs
29y/o
Mark Fields headshot
Overall Grade '20
66.2
Not Enough Snaps
Snap Count '20
20
205th/232 - CBs
Interceptions '20
0
Not Enough Snaps
Pass Breakups '20
0
Not Enough Snaps
Mark Fields headshot
Mark
Fields
CB
#25
|
SF 49ers
BIO
GRADES
SEASON STATS
View in Premium Stats

Summary Bio

Last updated: 4/2/2026
Mark Fields was a cornerback for the San Francisco 49ers who earned a 66.2 overall PFF defensive grade in the 2020 season, 0th among 124 qualified cornerbacks. His PFF coverage grade of 65.9 ranked 0th among 124 qualified cornerbacks. His run-defense grade of 60.0 ranked 0th at the position.
He recorded 0 interceptions on the season. Fields broke up 0 passes in coverage. He allowed a 68.8 passer rating when targeted by opposing quarterbacks. He surrendered 1 receptions in coverage. He also contributed 1 solo tackles in run support and open-field situations.

Career

Teams
Year
Saskatchewan Roughriders
2024
Birmingham Stallions
2023
Houston Texans
2020
Minnesota Vikings
2019 - 2020
Clemson Tigers
2015 - 2018

Honors

Honor
Year
Pro Bowl selection
2000, 2004
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PFF Grades

2020
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
66.2
AVG
0th/124 CBs
COVERAGE GRADE
65.9
AVG
0th/124 CBs
PASS RUSH GRADE
-
AVG
0th/124 CBs
RUN DEFENSE GRADE
60.0
AVG
0th/124 CBs

Season Stats

2020
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
1
No Data - Not Ranked
INTERCEPTIONS
0
No Data - Not Ranked
TOTAL PRESSURES
0
No Data - Not Ranked
RECEPTIONS ALLOWED
1
No Data - Not Ranked

Defense

View in Premium Stats
Rank
-
Solo Tackles
1
-
Assists
0
-
Forced Fumbles
0
-
Stops
0
-
Sacks
0
-
Missed Tackles
0
-
Interceptions
0
-
Passer Rating Allowed
68.8
-
Yards per Reception Allowed
12
-
Total Pressures
0
-
PBUs
0
-
Receptions Allowed
1

Snaps

View in Premium Stats
Rank
205
th
Total Snaps
20
207
th
Run Defense Snaps
5
149
th
Pass Rush Snaps
0
202
nd
Coverage Snaps
15
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