Pittsburgh SteelersDT

SebastianJoseph-Day

6'4"310 lbAge 318 seasonsRutgersDraft 2018 · R6 P195
Week 4 ProjectionBFIQ model
@ Browns · Thu, Oct 1 · 8:15 PM ET
Solo Tackles1.4
Assist Tackles1.3
Sacks0.1

Backfield IQ model: 2025 per-game production adjusted for opponent defense.

Shared model
Joint roster forecast
Guarded specialist marginals across both complete rosters
Relational
Offensive snaps
1%
Defensive snaps
33%
Solo tackles0.61P10–P90 0.0–2.0
Assist tackles0.79P10–P90 0.0–2.0
Sacks0.26P10–P90 0.0–1.0

Ranges integrate uncertainty in game environment, team volume, participation, allocation, and conversion. Context links show learned attention, not isolated causal effects.

The game around the player
Role across game environments.
How the same player changes when the game script changes.
97%
Any-snap probability
DL
Pregame role
Assisted tackles
opponent plays change tackle chances; defensive role and tackle-credit rate remain player-specific
0.71 → 0.87
PIT controls · defensive · slow
One-score game · high scoring · fast
Solo tackles
opponent plays change tackle chances; defensive role and tackle-credit rate remain player-specific
0.55 → 0.67
PIT controls · defensive · slow
One-score game · high scoring · fast
Sacks
opponent dropbacks change rush chances; participation, pressure allocation and finish remain player-specific
0.24 → 0.28
CLE controls · balanced · neutral pace
PIT controls · balanced · neutral pace

Scenario means integrate back to the guarded player distribution. “Validated” is awarded per market; a descriptive forecast is not automatically a betting signal.

This season

2026 Game Log

WeekOppResultSOLOAST
Week 1ATLW 20–1311
Week 2@NEL 3–201—
2 games21
Performance history

2025 Game Log

WeekOppResultSOLOASTSACK
Week 1@DENL 12–2013—
Week 2LAL 19–33—1—
Week 3INDL 20–4131—
Week 4@HOUL 0–2621—
Week 5@ARIW 22–21321
Week 6@LVL 10–20—1—
Week 7NEL 13–3131—
Week 9LACL 20–27211
Week 11HOUL 13–16—2—
Week 12SEAL 24–3011—
Week 13JAXL 3–2512—
Week 14@CLEW 31–29—1—
Week 15@SFL 24–3711—
Week 16KCW 26–91——
Week 17NOL 26–34—1—
16 games18192