Chiefs defensive coach Steve Spagnuolo faces scrutiny after the Chargers upset, as Jim Harbaugh leaned into a pass-heavy attack that challenged KC’s game plan. Spagnuolo publicly owns a few miscalls and vows adjustments ahead of the Week 15 rematch at Arrowhead. Harbaugh’s bold strategy, paired with Justin Herbert’s arm, reshapes AFC dynamics and sets up a high-stakes sequel with the Chiefs lingering as the favorite, while KC recalibrates to prevent a repeat.