2021 NFL season · December 2, 2021–December 6
Week 13 2021: who deserved to win
2 of 14 winners were outplayed on the day. The biggest heist: the Seahawks beat the 49ers 30–23 in a game they win 2% of the time when it’s replayed with the way both teams played.
The line on each card fills with how often the loser wins the replay: the fuller, the more luck decided it. Outlined: the winner was outplayed.
Week 13 2021 upsets
Games the betting underdog won, biggest upset first, and whether the way both teams played backs it up. 2 of 6 were deserved: the underdog wins 60% or more of the replays with the same day’s form.
| Winner | Game | Before kickoff | Replay with same day’s form | Verdict |
|---|---|---|---|---|
| 29–27 vs Vikings | 30% | 23% | Lucky | |
| 20–19 vs Ravens | 38% | 70% | Deserved | |
| 30–23 vs 49ers | 41% | 2% | Lucky | |
| 14–10 @ Bills | 41% | 53% | Coin flip | |
| 41–22 @ Bengals | 43% | 70% | Deserved | |
| 17–15 @ Raiders | 47% | 51% | Coin flip |
Week 13 luck ranking
Every team’s luck index this week: 100 × (the result − how often they win the replay). A loss in a game a team wins 9 times in 10 scores −90.