Porter (back) is listed as questionable for Sunday's game against the Falcons, Adam Caplan of SiriusXM NFL Radio reports.
The Titans signed Jones on Thursday, Jim Wyatt of the team's official site reports.
Echols (ankle) was not listed on Pittsburgh's official injury report Wednesday, Teresa Varley of the Steelers' official site reports.
Porter (back) was a limited participant in Wednesday's practice, Mike DeFabo of The Athletic reports.
Ramsey (knee) was a full participant in Wednesday's practice, Teresa Varley of the Steelers' official site reports.
Brisker (undisclosed) was a full participant in Wednesday's practice, Teresa Varley of the Steelers' official site reports.
Skowronek (concussion) was a full participant in Wednesday's practice, Teresa Varley of the Steelers' official site reports.
Faulk (shoulder) was a full participant in Wednesday's practice session.
Trubisky (biceps) was not listed on the Titans' injury report Wednesday.
Metcalf (undisclosed) wasn't listed on the Steelers' first Week 1 injury report Wednesday, Teresa Varley of the team's official site reports.
