The Browns entered Thursday night already trying to answer a familiar question: is this defense really headed somewhere, or just surviving week to week? By the end of the first half, the answer was harder to read, not easier.

Cleveland’s front was hit by two injury concerns of its own. Mason Graham exited with a left knee injury during Pittsburgh’s first offensive drive and was later listed as questionable to return. Mike Hall Jr. also became questionable to return after suffering an ankle injury late in the second quarter.

Graham’s exit mattered immediately because he had been one of Cleveland’s most productive defenders through the first three games. He came into the night with 4.0 sacks, with at least one in each of the Browns’ first three games, and had just posted 2.0 sacks and seven tackles, including three for loss, in Cleveland’s Week 3 win over the Carolina Panthers. He was also the fifth overall pick in the 2025 NFL Draft, a reminder of how much the Browns have invested in the middle of their defensive line.

That made the timing of the injury especially awkward for Cleveland. Graham was hurt on Pittsburgh’s opening possession, before the game had even settled into the kind of trench battle that usually decides Browns-Steelers matchups.

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Hall’s injury added another layer of uncertainty. With both interior defenders listed as questionable to return, Cleveland’s defensive front was suddenly operating without two players it expected to lean on in a divisional game that already carried plenty of weight.

The Steelers had their own front-line concern. Defensive end Derrick Harmon was carted to the training room early in the second quarter and was later listed as questionable to return with a foot injury. That left both teams managing uncertainty where it tends to matter most in this rivalry: up front, where pressure and disruption can change the shape of the game.

The matchup had already been framed as a test for Cleveland’s defense, and the Browns entered Thursday night on a two-game winning streak. That run has been tied closely to the defense’s play, even as the offense has remained uneven. Cleveland has averaged only 3.5 yards per carry, a number that has left little margin for error if the defense is forced to absorb injuries and still hold up against Pittsburgh.

Pittsburgh’s offense has also shown some inconsistency. In Week 1, the Steelers managed only 264 yards and two field goals, and in their previous outing they scored 20 points against the Atlanta Falcons. That kind of production has left room for Cleveland to believe pressure can still tilt the game, but only if the Browns can keep enough of their own front intact to generate it.

That is what makes the injury report so central here. This was never just a normal divisional game, and it is even less so now. Cleveland’s defense has been trying to show that its early-season progress is real. Pittsburgh’s front has been trying to hold together through its own injury trouble. And with Graham, Hall and Harmon all in question, the game’s most important evaluation may come down to which defensive line can stay on the field long enough to decide it.