2021 NFL season · January 2, 2022–January 3
Week 17 2021: who deserved to win
3 of 16 winners were outplayed on the day. The biggest heist: the Bengals beat the Chiefs 34–31 in a game they win 15% 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 17 2021 upsets
Games the betting underdog won, biggest upset first, and whether the way both teams played backs it up. 1 of 4 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 |
|---|---|---|---|---|
| 23–20 @ Colts | 26% | 49% | Coin flip | |
| 25–22 @ Cowboys | 32% | 75% | Deserved | |
| 34–31 vs Chiefs | 40% | 15% | Lucky | |
| 26–14 vs Browns | 47% | 38% | Lucky |
Week 17 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.