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Steelers Waive Juan Thornhill, Claim Rookie Sebastian Castro

Pittsburgh signaled a shift toward developmental depth at safety following Thornhill's reduced role.

Overview

  • The team announced the roster moves on Nov. 10, releasing Thornhill and adding Castro off waivers from the Buccaneers.
  • Thornhill's usage plummeted to special teams only in the past two games, with zero defensive snaps per PFF.
  • A recent secondary reshuffle that included acquiring Kyle Dugger and deploying Jalen Ramsey at safety limited Thornhill's opportunities.
  • Castro, an undrafted Iowa product, started 2025 on Pittsburgh’s practice squad, was signed by Tampa Bay on Sept. 30, waived Nov. 8, and is now back on the Steelers’ active roster.
  • On a one-year, $3 million deal, Thornhill posted 38 tackles and one pass defended in nine games and now goes through waivers before potentially reaching free agency.