This from the Trib-Review yesterday
Matakevich's injury likely will keep him on the sidelines against the Ravens. For the Steelers, that means the starting spot will filled by recently signed Sean Spence — the team's third-round draft pick in 2012 — or outside linebacker Arthur Moats.
http://triblive.com/sports/steelers/...ime=1512696144
This from Mark Kaboly
Cannot imagine Spence is ready to start after signing this week so it looks like Moats