Aside from quarterback, the Pittsburgh Steelers biggest weakness last year and need for next year is pretty obviously at offensive line. They really struggled to hold up in pass protection and to block for Najee Harris in the run game.
Trai Turner, who was probably the Steelers best offensive lineman and Chukwuma Okorafor are free agents, so that only amplifies the need.
They do have multiple young offensive linemen who they may not want to move on from just yet. This includes Kendrick Green, a third rounder last year at center, Dan Moore Jr., a fourth rounder last year at tackle, and Kevin Dotson a fourth rounder in 2020 at guard.
Realistically, they probably can’t add a whole new offensive line in just one offseason, so some of those guys will likely still start and it wouldn’t shock me if all three of them start next year. However, in order for this offense to have success next year they have to add some offensive linemen via free agency or the draft.
The Pittsburgh Steelers secondary last season was solid, they weren’t a disaster by any means but still struggled to defend the pass at times. Coming into the offseason however both starting safety Terrell Edmunds and starting corner Joe Haden are free agents.
At corner, the Steelers have some solid players who you feel comfortable with playing a lot of snaps such as Ahkello Witherspoon and Cameron Sutton. However, they are lacking a number one corner who you feel comfortable with going up against a number one receiver type of guy.
Haden was that type of player for a lot of his stint with the Steelers however he most likely won’t be getting re-signed.
At safety, Edmunds leaving would certainly be a loss for them, so if the price is reasonable they need to strongly consider bringing him back. If the price is too steep however last year’s seventh round pick Tre Norwood would likely have to step up into a bigger role in this defense.