The full details of Pittsburgh Steelers outside linebacker T.J. Watt’s lung issue have been revealed. NFL Network insider Tom Pelissero detailed just what went on,

Pelissero says Watt felt discomfort during his lift and that prompted an exam. After he went through treatment, the Steelers decided to get him checked out to see the exact issue he was dealing with, and they ruled out a collarbone issue.

. @TomPelissero shares the latest on T.J. Watt pic.twitter.com/cgclXPcKTB — Good Morning Football (@gmfb) December 12, 2025

There were no injuries to ribs, but the tests revealed that Watt has a small hole in his lung, Pelissero says. The issue is fixed and Watt needs to rest, and is trending towards sitting out against the Dolphins.

If Watt could not play, the Steelers would have

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