The question: “What’s wrong with the Seahawks offense?” would be hovering ominously this week in the wake of two straight turnover-fueled defeats regardless of Sunday’s opponent.

That the team coming to Lumen Field on Sunday night happens to be the 5-0 Kansas City Chiefs — with former Seahawks running back Kenneth Walker III , who is not only the leading rusher in the NFL with 665 yards but on a pace to shatter the single-season rushing record — it throws an even harsher spotlight on the issue.

While the Seahawks’ defense remains among the best in the NFL, allowing an NFL-low 237.3 yards per game and just 4.0 yards per play — on pace to be the lowest by any NFL team since the 1977 Atlanta Falcons allowed 3.7 — the offense is failing to match its numbers of a year ago.

The Seahawks are averaging 24.7 points and per game compared to 29.3 last year, 332.2 yards per game compared to 349.3 and 5.3 yards per play compared to 5.8.

The Seahawks have already lost 12 turnovers, an average of two per game that is…