1. Pressure on Roethlisberger forces errant throw. Bruce Irvin bringing the heat. #PITvsSEA

  2. Group Effort Needed to Replace LB Irvin

  3. Bruce Irvin with the offsides penalty this time.

  4. Martavis Bryant catch on Shead has PIT at #Seahawks 39, 3rd and 1. Bruce Irvin was back in at OLB on 2nd down. Had been doubtful (knee)

  5. Mike Morgan still in at OLB on early downs, as to start this drive. Bruce Irvin on passing downs so far. #Seahawks trail PIT 3-0 1Q

  6. Bruce Irvin in at OLB, first time, #Seahawks' D 2nd drive. PIT at SEA 31

  7. Bruce Irvin, who is playing despite being listed as doubtful heading in, was in on that tackle.

  8. Bruce Irvin checks in. #PITvsSEA

  9. Bruce Irvin dancing to stadium PA music, getting 2nd-team OLB reps #Seahawks pregame. Active after barely practicing (knee) last 2 wks

  10. Patrick Lewis starting at center again during #Seahawks' pregame warmups. Mike Morgan getting 1st-team snaps at OLB, tho Bruce Irvin active

  11. Mike Morgan working with the No. 1 defense pregame. Bruce Irvin looks like he's still limbering up. #Seahawks #PITvsSEA

  12. For Seattle, starting CB Cary Williams is a healthy inactive; LB Bruce Irvin, who missed practice all week, is active.

  13. He was listed as doubtful with a knee injury, but LB Bruce Irvin is active today for the #Seahawks: [https://t.co/C6l1gKasHF] #PITvsSEA

  14. Cary Williams goes from starter to inactive; Bruce Irvin will dress. https://t.co/fFWsgduINw

  15. Bruce Irvin in, Cary Williams out for Seahawks https://t.co/yq3nxqr3pk

  16. LB Bruce Irvin is active after being doubtful this week. Must have shwon some real improvement the last two days. #Seahawks

  17. Bruce Irvin was doubtful heading into the game due to a sprained knee but he is active. We'll see how much -- if at all -- he plays.

  18. #Seahawks inactives vs PIT: Cary Williams is INACTIVE. Bruce Irvin active

  19. Bruce Irvin is among those active.

  20. LB Bruce Irvin, doubtful with a knee injury, is active for the #Seahawks.

  21. Bruce Irvin, doubtful with MCL injury, doing some stretching on field but also wearing a knee brace.

  22. LB Bruce Irvin , doubtful with knee, on field early loosening up with brace on knee. Would be surprised if he makes it this week.

  23. LB Bruce Irvin doubtful, WR Paul Richardson out for #Seahawks vs Steelers https://t.co/KVMemgnTME

  24. LB Bruce Irvin (knee) doubtful, C Patrick Lewis (ankle) questionable for #Seahawks Sunday vs Steelers. @thenewstribune

  25. For Seattle, RB Marshawn Lynch and WR Paul Richardson are out vs. @Steelers. LB Bruce Irvin (knee) hasn't practiced all week, is doubtful.

  26. The #Seahawks have ruled out Paul Richardson for Sunday's game. Appears Bruce Irvin at least has an outside chance; he's listed as doubtful.

  27. #Seahawks injury report for Week 12. LB Bruce Irvin (knee) doubtful, WR Paul Richardson (hamstring) out. https://t.co/ZzpQ8j1UXx

  28. #Seahawks' Thanksgiving practice report before turkey: Paul Richardson, Bruce Irvin seem like they'll miss Sunday https://t.co/Em8cxlqgyj

  29. Carroll says Richardson and Bruce Irvin will each be gameday decisions.Implies will be a big challenge for Richardson.

  30. Carroll: At best it's a Gameday decision for Paul Richardson and Bruce Irvin #Seahawks #Q13Fox

  31. He was hurt on a special-teams play Sunday. The #Seahawks' depth at LB is a bit thin now with Bruce Irvin also hurt. https://t.co/5PIBQAW9NH

  32. Per Pete Carroll, Marshawn Lynch not going this week vs. PIT, Bruce Irvin not likely, Paul Richardson day-to-day. Lane should be back.

  33. Pete Carroll: Would take "pretty big, special" recovery for OLB Bruce Irvin (MCL knee) to play Sun for #Seahawks vs PIT.So Morgan, KPL again

  34. Carroll also implies Bruce Irvin unlikely to make it back this week.

  35. Clark (22) and Cassius Marsh (15) shared time as one of the DEs in pass-rushing situations with Bruce Irvin not playing. #Seahawks

  36. More Seahawks snap counts: 22 for DE Frank Clark, not much more than what he was averaging. Thought he'd play more with Bruce Irvin out.

  37. Kevin Pierre-Louis in for Mike Morgan at SAM OLB to start this #Seahawks defensive drive. Both filling in for out Bruce Irvin

  38. Bruce Irvin. He's out with a knee injury. https://t.co/XUTWrvDeS8