Petty StatsPSPETTYSTATS
Petty StatsPSPETTYSTATS

Receipt · the 2021–2026 regular seasons (covered history)

San Francisco 49ersNFC WestStrong sample

49ers blew 8 double-digit leads

8gamesTied 6th-most of 32 teams

The San Francisco 49ers lost 8 games after leading by 10 or more points, tied 6th-most of 32 teams, across 91 games in the 2021–2026 regular seasons (covered history).

Window
The 2021–2026 regular seasons (covered history)
Games
91
Denominator
91 games
Cohort
32 teams
Verified Petty
Source & definition

Definition: Losses in games where the team led by at least 10 points at any recorded score state (after a scoring play). Overtime losses count; ties do not. One per game.

Fields: pbp.total_home_score, pbp.total_away_score, games.home_score, games.away_score

Provider: nflverse data releases (schedules, weekly team/player stats, play-by-play) · dataset nflverse-2026-10-20-run2

Calculation: team.blown_leads@1 · rules v1 · template v1 · computed Oct 20, 2026, 3:08 PM UTC

Qualification: ranked only with at least 4 completed games; this entity qualified.

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Permanent link. This receipt is a snapshot of dataset nflverse-2026-10-20-run2; it will not silently change into today’s number. If a later import corrects the source, a correction notice appears here and in newly served images.