Arizona Cardinals beat Detroit Lions, 23–19

The Cardinals closed as 5.5-point underdogs and won outright.

It was the 4th-biggest of 4 NFL upsets in 1999 Week 10, and the 30th-biggest of the 1999 season. Arizona Cardinals pulled off 1 other upset in 1999.

Other NFL upsets in 1999 Week 10

1. Cleveland Browns 16, Pittsburgh Steelers 15

   14.5-point underdogRecap
   Upset size14.5
2. Philadelphia Eagles 35, Washington Commanders 28

   6-point underdogRecap
   Upset size6
3. New York Jets 24, New England Patriots 17

   6-point underdogRecap
   Upset size6

Arizona Cardinals’ other 1999 upsets

1. Arizona Cardinals 34, New York Giants 24

   Week 124.5-point underdogRecap
   Upset size4.5

More: Arizona Cardinals upsets · Detroit Lions upsets · all Week 10 upsets · how upset size works