But Pittsburgh continued to upgrade its offensive line this season, signing veteran OG Isaac Seumalo and drafting OT Broderick Jones, though the latter isn’t guaranteed to start.

Source: https://steelersdepot.com/2023/06/havent-seen-his-best-football-brian-baldinger-expecting-big-year-out-of-najee-harris/

Center Mason Cole ranked 33rd out of the 42 qualifiers with a 50.9 pass-protection grade while LG Isaac Seumalo ranked 36th with a 47.0 pass-protection grade.

Source: https://steelersdepot.com/2023/12/james-daniels-steelers-o-line-receive-unbelievably-bad-grades-from-pff/

The Pittsburgh Steelers had a busy offseason, turning the roster over and improving the offensive line through the draft and free agency with the additions of Broderick Jones, Isaac Seumalo and Nate Herbig.

Source: https://steelersdepot.com/2023/05/annual-cbs-offensive-infrastructure-ranking-places-steelers-at-no-27-in-nfl/

The Steelers also added another starting lineman in free agency in Isaac Seumalo.

Source: https://steelersdepot.com/2023/05/steelers-are-a-lot-better-where-we-are-now-than-we-were-last-year-najee-harris-believes/

They’ve also focused on bolstering the offensive line in recent years with signings like James Daniels and Isaac Seumalo while drafting Broderick Jones in the first round.

Source: https://steelersdepot.com/2023/11/chad-brown-while-kenny-pickett-wont-be-the-next-big-ben-emphasis-on-playing-steeler-football-can-help-him-grow/