San Diego Chargers beat New York Giants, 21–20

The Chargers closed as 5-point underdogs and won outright. The betting market gave them a 31% chance.

It was the 2nd-biggest of 3 NFL upsets in 2009 Week 9, and the 30th-biggest of the 2009 season. San Diego Chargers pulled off 1 other upset in 2009.

Other NFL upsets in 2009 Week 9

1. Tampa Bay Buccaneers 38, Green Bay Packers 28

   9.5-point underdog19% to winRecap
   Upset size9.5
2. Tennessee Titans 34, San Francisco 49ers 27

   4.5-point underdog35% to winRecap
   Upset size4.5

San Diego Chargers’ other 2009 upsets

1. San Diego Chargers 20, Dallas Cowboys 17

   Week 143.5-point underdog37% to winRecap
   Upset size3.5

More: San Diego Chargers upsets · New York Giants upsets · all Week 9 upsets · how upset size works