What happened: Jacksonville initially hoped the procedure on Anton Harrison's right knee would be a routine arthroscopic cleanup, per Ian Rapoport. Instead, surgeons discovered the ligament tear after the Jaguars placed their starting left tackle on injured reserve on Oct. 13, ending what had been a projected three-week to four-month recovery window.

Why it matters: The season-ending diagnosis removes the 2023 first-round pick—selected 27th overall out of Oklahoma—from Jacksonville's offensive line for the remainder of the 2026 campaign. Replacing a multi-year blind-side starter shifts immediate pressure onto the unit's tackle depth as the playoff race tightens.

What to watch: The Jaguars will rely on backup tackle options for the rest of the 2026 schedule while evaluating offensive line depth ahead of the trade deadline.