Charles LeClaire-USA TODAY Sport
Start: Mike Adams
More specifically, start Mike Adams at left tackle.
Adams entered training camp as the right tackle with Marcus Gilbert at left tackle, but the Steelers swapped them, and that's the way it should stay.
He still has a lot to learn, but Adams is the Steelers' best option for protecting Ben Roethlisberger's blind side. Adams played into the second quarter in Saturday's preseason opener and only had one noticeably bad play. Steelers quarterbacks were sacked just once with Adams on the field, and that sack wasn't on him.
Start: Ramon Foster
Foster was responsible for the one sack Roethlisberger took against the Giants, but the left guard also was the lead blocker for Jonathan Dwyer's 11-yard gain, according to Steel City Insider (subscription required).
Foster started all 16 games for the Steelers last year and gave up just two sacks, according to Pro Football Focus via ESPN.com.
Start: Maurkice Pouncey
Pouncey has had nothing but Pro Bowl seasons in his three-year career. He'll start at center.
Start: David DeCastro
Because of a preseason injury, DeCastro only played in the final four games of his rookie season. That might have been enough to work out the growing pains. DeCastro looked mean enough as a fresh-faced rookie. The right guard looks even meaner this year, and he helped open holes for Steelers running backs to gain 61 yards on 13 carries (4.7 yards per carry) in the preseason opener.
Start: Marcus Gilbert
Gilbert played the same number of snaps as DeCastro and also deserves his share of credit for the Steelers' ability to run the ball in the first half against the Giants. He and DeCastro can form a powerful run-blocking tandem on the right side of the offensive line.
Keep: Kelvin Beachum
Beachum played right tackle in the preseason opener, and according to the Pittsburgh Tribune-Review, the Steelers are grooming Beachum to be a backup at every position. The Pittsburgh Post-Gazette says he'll see action at center in the Steelers' second preseason game Monday night at Washington.
Keep: Guy Whimper
The Steelers signed Whimper after the Jacksonville Jaguars released him during the offseason. The 30-year-old Whimper ranked 72nd among all tackles last season in pass-blocking efficiency, according to Pro Football Focus via CBSSports.com. Nonetheless, the Steelers need a backup left tackle and Max Starks isn't around to rescue them, as he's now a Charger.
Keep: John Malecki
The third-year man who played his college ball at Pittsburgh fills the void left by Doug Legursky as the Steelers' backup center. However, guard is his natural position.
Cut: Joe Long
The brother of four-time Pro Bowler Jake Long of the Miami Dolphins was on the Steelers' practice squad for the last five weeks of the 2012 season, and he'll be there again this season. The Steelers don't have nine offensive linemen worthy of the 53-man roster, so they'll keep eight and stash an extra body at another position.
Cut: Justin Cheadle
The second-year guard suffered a hamstring injury Monday that Steelers coach Mike Tomlin called "significant," according to Steel City Insider.
Cut: Chris Hubbard
The undrafted free agent guard got away with a hold on Bruce Gradkowski's 9-yard run in the second quarter against the Giants.
Cut: Mike Golic
The son of the former Oilers, Eagles and Dolphins defensive lineman struggled at tackle in the spring but improved when the Steelers moved him to guard in training camp, according to the Pittsburgh Tribune-Review. The undrafted rookie is a candidate for the practice squad.
Cut: D'Anthony Batiste
The Steelers signed Batiste earlier this month when undrafted rookie Nik Embernate went down with a knee injury, according to the Pittsburgh Post-Gazette. Embernate, who's on injured reserve, would have made the team. The 31-year-old Batiste won't.
Cut: Joe Madsen
There's no room for this undrafted rookie center from West Virginia, with Malecki and Beachum in line to back up Pouncey.
Cut: Mike Farrell
The undrafted rookie tackle from Penn State hasn't made much of an impression.