Arizona upsets No. 18 Arizona State, 34–27
It was unranked Arizona taking down the No. 18 team in the AP poll.
Final34–27
Upset size4
Rank in 200422nd of 49
It was the 2nd-biggest of 5 upsets in 2004 Week 14, and the 22nd-biggest of the 2004 season. It was Arizona's only upset win of 2004.
Other upsets in 2004 Week 14
Syracuse 43, 
No. 17 Boston College 17Upset size4.5
Pittsburgh 16, 
No. 21 West Virginia 13Upset size2.5
Texas Tech 31, 
No. 23 Oklahoma State 15Upset size1.5
Tulsa 37, 
No. 24 UTEP 35Upset size1
More: Arizona upsets · Arizona State upsets · all Week 14 upsets · the 2004 season · how upset size works