A member of the Steelers’ newly re-tooled secondary has received an injury update — as one insider has revealed concerns about one of Darius Slay Jr.‘s knees.

On Monday’s Fox Sports Radio, insider Adam Caplan reported that Slay’s knee isn’t at 100% — going as far as to claim it could potentially impact how he runs:

“As I’m told, one of his knees is a concern,” Caplan said. “He actually had arthroscopic surgery on it late in 2023. He’s got great length, and he was super fast coming out of Mississippi State. You have to wonder how well he can run. … You never know when a guy’s going to lose it, and they could lose it in an instant.”

Slay previously claimed his knee was so bad at one point, it was like playing on a “30-percent leg.” He underwent arthroscopic knee surgery twice in his career — in 2013 with the Lions and in 2023 with the Eagles.

Even with two healthy knees, one has to wonder how much Slay has left in the tank at 34 years old. Considering Caplan’s report, the recent Jalen Ramsey trade looks even better on the Steelers’ side — as the ever-versatile DB can line up in Slay’s place if needed, in addition to his predicted safety and slot cornerback role.

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This article originally appeared on Steelers Wire: Steelers’ Darius Slay has knee injury concerns, per insider