The even odds on at least one quarterback reaching 5,000 passing yards in the 2026-27 regular season reflect a narrow balance between the milestone's historical scarcity and the presence of several high-volume passers. No quarterback cleared 4,800 yards in 2025, with Matthew Stafford leading at 4,707, while current projections for top signal-callers such as Joe Burrow, Jared Goff, and Dak Prescott center around 4,100-4,200 yards. Key variables include full 17-game durability for pocket passers with elite weapons and favorable schedules, offensive-line health supporting elevated attempts, and limited rushing emphasis from dual-threat options like Josh Allen or Lamar Jackson. Injury absences, run-heavy game scripts, or defensive improvements could keep the field below the mark, while sustained passing volume in favorable environments could push one or more over the line.