Indianapolis Colts upset Detroit Lions, 35–33

The Colts closed as 7-point underdogs and won outright. The betting market gave them a 26% chance.

It was the biggest of 4 NFL upsets in 2012 Week 13, and the 9th-biggest of the 2012 season. Indianapolis Colts pulled off 3 other upsets in 2012.

Other NFL upsets in 2012 Week 13

1. St. Louis Rams 16, San Francisco 49ers 13

   7-point underdog25% to winOTRecap
   Upset size7
2. Pittsburgh Steelers 23, Baltimore Ravens 20

   7-point underdog27% to winRecap
   Upset size7
3. Kansas City Chiefs 27, Carolina Panthers 21

   5-point underdog34% to winRecap
   Upset size5

Indianapolis Colts’ other 2012 upsets

1. Indianapolis Colts 28, Houston Texans 16

   Week 176.5-point underdog29% to winRecap
   Upset size6.5
2. Indianapolis Colts 30, Green Bay Packers 27

   Week 56.5-point underdog30% to winRecap
   Upset size6.5
3. Indianapolis Colts 19, Tennessee Titans 13

   Week 83.5-point underdog39% to winOTRecap
   Upset size3.5

More: Indianapolis Colts upsets · Detroit Lions upsets · all Week 13 upsets · how upset size works