Sebastian Joseph-Day is listed at DT on the Pittsburgh Steelers roster checked September 20, 2026. The official source lists the roster status as Active roster (ACT).
The details below are dated roster facts. Roster status, practice participation, and game-day availability are different; this profile does not turn one into another.
Selected report: Pittsburgh Steelers · Active roster · Season 2026
| Observation window | Record date | Team | Roster status | Effective date | Record |
|---|---|---|---|---|---|
| Season 2026 · Week 4 | Oct 4, 2026, 9:11 am EDT Updated | Pittsburgh Steelers | Active roster | Not supplied | Weekly roster |
| Season 2026 · Week 3 | Oct 4, 2026, 9:11 am EDT Updated | Pittsburgh Steelers | Active roster | Not supplied | Weekly roster |
| Season 2026 · Week 2 | Oct 4, 2026, 9:11 am EDT Updated | Pittsburgh Steelers | Active roster | Not supplied | Weekly roster |
| Season 2026 · Week 1 | Oct 4, 2026, 9:11 am EDT Updated | Pittsburgh Steelers | Active roster | Not supplied | Weekly roster |
| Dated observation | Sep 20, 2026, 7:00 am EDT Observed | Pittsburgh Steelers | Active roster | Not supplied | Dated roster |
Weekly rows describe the supplied week, not a dated transaction. Observed dates show when a record was checked, not when a contract or roster move took effect. Conflicting records remain separate. Only retained observations are shown; game-day status belongs to the availability report.
Mike McCarthy said the second-year defensive lineman will miss at least four games, another loss for a Pittsburgh defense already without cornerback Jamel Dean.
Pittsburgh adds a veteran with 65 career starts after trading Joey Porter Jr. and losing Jamel Dean to an ankle injury in Cleveland.
A dated look at September 19 roster decisions, including Omar Cooper Jr.’s IR move. Zay Flowers returned in Week 3 but is questionable for Week 4.
