2026 SEASON · WEEK 9
← Active players

ACTIVE PLAYER PROFILE

Spencer Brown

OL · BUF · Active

Age 28College Northern IowaDepth RT #1
Offensive snaps341
Pass block snaps199
Run block snaps141
Pass block grade62.3
Run block grade68.7
Sacks allowed1
Pressures allowed10
Penalties1
Cumulative season CFI55.8#28 of 77 · same-position season grade
Weekly CFI · Week 651.5#25 of 57 · same-position weekly grade
Predictive CFI · vs MIN46.9Week 9 · experimental projection · low confidence
How this is estimated

Experimental OT projection: qualified current-season grades from the previous four weeks, weighted by snaps and recency and regressed toward 50. Opponent unit pass and run performance adjusts the estimate by at most four points. Limited game history; low confidence.

Next matchup

Current schedule and opponent context

Week 9
Away · 2026-11-09 · 8:15 PMBUF vs MINU.S. Bank Stadium · Indoors
Matchup rank#32#1 is the easiest opposing defense by EPA allowed/play

CFI history and comparable paths

Qualified weekly form plus the closest same-position index profiles

Same-position context
0255075100 W1W2W3W4W5W6W7W8W9
Spencer BrownChristian Darrisaw · comparableTrent Brown · comparableTheo Benedet · comparable

Weekly CFI history

Same-position percentile grade for each qualifying week in 2026. The season CFI above is the cumulative grade.

WeekWeekly CFIRankQualified playersVolume
129.6#546457
233.9#456574
383.2#36466
451.9#326759
651.5#255768

Advanced Player Research

Production, usage, efficiency, and indexes for 2026

Performance · 2026

Advanced efficiency

blocking
Pass block grade
62.33
Run block grade
68.72
Pressure allowed rate
5.03%
Sacks allowed / pass block
0.5%
Hits allowed / pass block
1.01%
Hurries allowed / pass block
3.52%
Sacks allowed
1
Hits allowed
2
Hurries allowed
7
Pressures allowed
10
Penalties
1
Offensive snaps
341
Pass block snaps
199
Run block snaps
141

Core indexes · experimental v1.4

CoreFootball Index (CFI) #28 of 7755.8

Same-position rank: #28 of 77. Eligible position cohort: players.

InputValuePercentileWeight

Weekly game log

WeekOffensive snapsPass block snapsRun block snapsPass block gradeRun block gradeSacks allowedPressures allowedPenalties
158372049.359.6020
27442323971.1140
366333381.383.5001
459401966.155.6010
5169779.168000
668383076.464.5030

Home and away

Production by game setting

SplitGamesOffensive snapsPass block snapsRun block snapsPass block gradeRun block gradeSacks allowedPressures allowedPenalties

Game setting data is unavailable for this selection.

Indoor and outdoor

Production by game setting

SplitGamesOffensive snapsPass block snapsRun block snapsPass block gradeRun block gradeSacks allowedPressures allowedPenalties

Game setting data is unavailable for this selection.

Temperature

Production by game setting

SplitGamesOffensive snapsPass block snapsRun block snapsPass block gradeRun block gradeSacks allowedPressures allowedPenalties

Game setting data is unavailable for this selection.

Wind

Production by game setting

SplitGamesOffensive snapsPass block snapsRun block snapsPass block gradeRun block gradeSacks allowedPressures allowedPenalties

Game setting data is unavailable for this selection.

Opponent history

Performance against opponents across imported seasons

OpponentGamesOffensive snapsPass block snapsRun block snapsPass block gradeRun block gradeSacks allowedPressures allowedPenaltiesLast meeting
PITSmall sample260———————2022-10-09
MIA9494——————32025-11-09
WASSmall sample278——————12023-09-24
HOU3186——————22025-11-20
KC4231——————12025-11-02
TEN3184——————12024-10-20
NYJ9558——————32026-01-04
NE9608——————42025-12-14
TB3203———————2025-11-16
CARSmall sample2131——————52025-10-26
ATLSmall sample2133——————12025-10-13
LASmall sample2119——————22024-12-08
BAL3208——————22025-09-07
MINSmall sample175——————22022-11-13
CLESmall sample2113———————2025-12-21
DET321642323971.11402024-12-15
CHISmall sample164——————12022-12-24
LVSmall sample178———————2023-09-17
JAXSmall sample2124———————2024-09-23
NYGSmall sample158——————12023-10-15
CINSmall sample158———————2023-11-05
DENSmall sample154——————12023-11-13
PHISmall sample2169——————12025-12-28
DALSmall sample168———————2023-12-17
LACSmall sample2121333381.383.50022023-12-23
ARISmall sample162——————12024-09-08
SEASmall sample176——————12024-10-27
INDSmall sample166——————22024-11-10
SFSmall sample158———————2024-12-01

Game log

Location, game environment, workload, and production

SeasonWeekOpponentSiteEnvironmentOffensive snapsPass block snapsRun block snapsPass block gradeRun block gradeSacks allowedPressures allowedPenalties
20261———58372049.359.6020
20262DET——7442323971.1140
20263LAC——66333381.383.5001
20264———59401966.155.6010
20265———169779.168000
20266———68383076.464.5030

Career totals

Regular-season totals across available career history

SeasonTeamGamesOffensive snapsPass block snapsRun block snapsPass block gradeRun block gradeSacks allowedPressures allowedPenalties
2021BUF13726——————7
2022BUF14848——————5
2023BUF171,161——————7
2024BUF15932——————13
2025BUF14846——————4
2026BUF634119914162.368.71101
CareerAll teams794,85419914162.368.711037

Weekly CFI is a same-position percentile grade using the published weekly play and production fields. CFI uses the same position model as the leaderboard. A dash means the source data or a qualified model is unavailable. Historical production is from nflverse; charted blocking and pressure metrics cover published charting reports only. Missing values are left blank rather than estimated.