Washington found third-down answers, then paid for penalties

The penalty that erased Washington's late touchdown was not the end of the possession. Treating it as the whole explanation for San Francisco's 23–17 win would miss the second chance that followed.

With the score 23–17 at 4:19 of the fourth quarter, Jeremy McNichols reached the end zone. An offensive face-mask penalty nullified the touchdown and left Washington facing first-and-19. That was a substantial reversal, but not a final one.

At 3:01, Washington faced fourth-and-8. A sack appeared to end the opportunity, only for San Francisco's illegal-contact penalty to nullify the play and award a first down. The sack did not stand. Neither did the apparent end of the possession.

A seven-yard completion to Treylon Burks then left second-and-3. Washington followed it with an incompletion and a run for no gain. On fourth-and-3 at 2:00, another incompletion, this one intended for Burks, returned the ball to San Francisco.

The sequence cuts both ways. Washington's penalty took away a touchdown; San Francisco's penalty restored an opportunity. The useful conclusion is narrower than saying a flag decided the game: Washington received another first down after losing the score, yet still finished that possession without points.

Washington finished 3-for-12 on third down. The timing of those conversions is more revealing than the fraction alone: all three came in the fourth quarter, and all three were completions to Antonio Williams.

At 9:53, Williams gained 23 yards on third-and-8. A roughing-the-passer penalty added another nine yards, and the next play was the nine-yard touchdown pass that made the score 23–17 at 9:22. His contribution belongs in the explanation of how Washington reached a six-point deficit, not merely in its receiving totals.

Williams also gained 10 yards on third-and-4 at 6:25. On Washington's final possession, he gained 17 on third-and-1 with 37 seconds left. His entire three-catch, 50-yard receiving line consisted of third-down conversions.

That concentration gives Williams's modest-looking total considerable editorial weight. Washington's third-down performance was poor in the aggregate, but its successful answers arrived during the quarter in which it was trying to close the remaining gap. Williams supplied each of them.

A conversion extends an opportunity; it does not complete the scoring task. That distinction is the right way to value his afternoon: three catches that kept Washington moving, without turning those extensions into a claim that the comeback was complete.

On Washington's final possession, the setback took two forms at once: lost yardage and lost time.

Trailing 23–17, Washington converted third-and-1 through Williams's 17-yard catch at 0:37, reaching the San Francisco 28. Jayden Daniels spiked the ball at 0:22. Washington had second-and-10 with the six-point deficit still to erase.

The next play brought intentional grounding, a 12-yard penalty and a 10-second runoff. Second-and-10 became third-and-22 at the San Francisco 40. By the final snap, six seconds remained. Daniels was sacked for an 18-yard loss, and the game ended.

The important change preceded that sack. The grounding penalty increased the distance Washington needed and included a clock deduction on a possession already inside the final minute. The completion had extended the opportunity; the penalty made the remaining task substantially harder.

That does not establish what Washington would have done without the grounding, or why Daniels committed it. It does establish the changed terms of the last play. The final sack ended the opportunity, but Washington was already confronting a longer distance with less time.