Source: the Steelers have restructured OT Marcus Gilbert's deal to create $3.724M in 2015 cap space.
Tomlin just said Marcus Gilbert will start at RT, not Mike Adams, when he returns.
SB Nation "Gilbert was the only lineman to start all 16 games for the Steelers in 2013. The Pittsburgh Steelers have locked up offensive tackle Marcus Gilbert with an extension through the 2019 season, per Mark Kaboly of the Pittsburgh Tribune-Review. Gilbert's average of $6 million will make him among..." August 19
Pittsburgh Post-Gazette "The Steelers signed center Maurkice Pouncey to an extension last week that will pay him an average of $8 million per season. The next Steelers offensive lineman likely to cash in on a big contract is right tackle Marcus Gilbert, though it's unclear at this point if the Steelers will be the team..." June 15
Pittsburgh Post-Gazette "If consistency and a solid left tackle are necessities for a good offensive line the Steelers had both last season with Max Starks. A case easily could be made he was their best offensive lineman in 2012 even though center Maurkice Pouncey was named to his third consecutive Pro Bowl. What's..." July 28