Carroll said he did not know how long Turbin will be out, but it obviously will be a while (short-term IR?).
Carroll said Jackson is in just for a meeting and physical and the team had not yet decided whether to sign him.
“This is a visit for us,” Carroll said. “This isn’t a signing. This is a visit for us. We have tremendous respect for this player. He’s got obviously a wealth of background. He’s tough, he’s smart. He’s sharp. So we need to see where he is right now at 34 years old and see what he looks like. He’s got a big physical coming up today and we’ll talk to him later. But … we have not made that decision at all at this point. We love that he’s here and we are trying to get our ducks in a row for what may be necessary later on.”
In other tidbits from Carroll:
Earl Thomas won’t play Thursday but will be ready for the opener Sept. 13 in St. Louis.
Mike Morgan has a pulled hamstring and won’t play Thursday.
Chris Matthews returned to practice after missing two-plus weeks with a sprained shoulder.
Tarvaris Jackson is on pace to return for the opener.
On the young offensive line, Carroll said, “I think we’ve seen enough to see a foundation to be really great.”
Tom Cable said Russell Okung, Justin Britt, Drew Nowak, J.R. Sweezy and Garry Gilliam might be the best quintet he has coached in Seattle. Cable also spoke well of Patrick Lewis, who bumped Lemuel Jeanpierre as the No. 2 center.