Joseph-Day to IR. The Defensive Line Rotation Is Getting Thin.

Sebastian Joseph-Day went on injured reserve Thursday, the latest body lost from a defensive front that has been quietly bleeding depth for weeks. The news item flagged it plainly: another defensive lineman on IR. The depth chart behind Keeanu Benton at nose tackle shows Esezi Otomewo, Kyler Baugh, and Jack Sawyer rotating through — workable names, but not names you want to be leaning on with 11 games left and a playoff spot to protect.

Benton is the anchor here, and the organization made that clear in August when it handed him a four-year, $72 million extension — the largest ever for a defensive lineman in franchise history. That investment looks more significant by the week as the players around him thin out. Sawyer has been the most productive of the group, with 23 tackles and a sack and a half through seven games, but he's listed third on the depth chart at DL and is being asked to cover a lot of ground.

Pittsburgh is 4-2, on a two-game winning streak, and sitting in a playoff spot. The roster attrition hasn't shown up in the standings yet. But the offensive side has been losing pieces for weeks — Roman Wilson on IR, Michael Pittman Jr. out, Marquez Valdes-Scantling signed to patch the receiver room — and now the defensive front is following the same pattern. Joseph-Day is just the latest. Worth noting before it becomes a bigger problem.