San Francisco 49ers

2026 upsets

1. San Francisco 49ers 27, Los Angeles Rams 7

   Week 13.5-point underdog34% to winRecap
   Upset size3.5

All-time since 1999

Biggest upsets the 49ers pulled off

1. San Francisco 49ers 15, Tampa Bay Buccaneers 10

   2005Week 811.5-point underdogRecap
   Upset size11.5
2. San Francisco 49ers 26, Denver Broncos 23

   2006Week 1710.5-point underdog18% to winOTRecap
   Upset size10.5
3. San Francisco 49ers 37, Arizona Cardinals 31

   2007Week 1210-point underdog18% to winOTRecap
   Upset size10
4. San Francisco 49ers 24, Seattle Seahawks 14

   2006Week 1510-point underdog18% to winRecap
   Upset size10
5. San Francisco 49ers 17, Atlanta Falcons 16

   2015Week 99.5-point underdog21% to winRecap
   Upset size9.5
6. San Francisco 49ers 24, Philadelphia Eagles 23

   2011Week 49.5-point underdog19% to winRecap
   Upset size9.5
7. San Francisco 49ers 20, Cincinnati Bengals 13

   2007Week 159-point underdog23% to winRecap
   Upset size9
8. San Francisco 49ers 24, St. Louis Rams 20

   2005Week 169-point underdogRecap
   Upset size9
9. San Francisco 49ers 26, Los Angeles Rams 23

   2025Week 58.5-point underdog22% to winOTRecap
   Upset size8.5
10. San Francisco 49ers 31, Arizona Cardinals 28

    2004Week 147-point underdogOTRecap
    Upset size7

Worst times the 49ers were upset

1. Atlanta Falcons 29, San Francisco 49ers 22

   2019Week 1510.5-point underdog20% to winRecap
   Upset size10.5
2. St. Louis Rams 13, San Francisco 49ers 10

   2014Week 910.5-point underdog18% to winRecap
   Upset size10.5
3. Indianapolis Colts 27, San Francisco 49ers 7

   2013Week 310.5-point underdog18% to winRecap
   Upset size10.5
4. Cleveland Browns 19, San Francisco 49ers 17

   2023Week 69.5-point underdog21% to winRecap
   Upset size9.5
5. Miami Dolphins 43, San Francisco 49ers 17

   2020Week 58.5-point underdog24% to winRecap
   Upset size8.5
6. Philadelphia Eagles 25, San Francisco 49ers 20

   2020Week 48.5-point underdog26% to winRecap
   Upset size8.5
7. Oakland Raiders 24, San Francisco 49ers 13

   2014Week 148-point underdog24% to winRecap
   Upset size8
8. Arizona Cardinals 24, San Francisco 49ers 23

   2024Week 57-point underdog27% to winRecap
   Upset size7
9. Minnesota Vikings 22, San Francisco 49ers 17

   2023Week 77-point underdog27% to winRecap
   Upset size7
10. Arizona Cardinals 24, San Francisco 49ers 20

    2020Week 17-point underdog28% to winRecap
    Upset size7