Mississippi State edges No. 20 Ole Miss, 41–27
It was unranked Mississippi State taking down the No. 20 team in the AP poll.
Final41–27
Upset size3
Rank in 200942nd of 64
It was the 5th-biggest of 6 upsets in 2009 Week 13, and the 42nd-biggest of the 2009 season. It was Mississippi State's only upset win of 2009.
Other upsets in 2009 Week 13
Georgia 30, 
No. 7 Georgia Tech 24Upset size9.5
West Virginia 19, 
No. 8 Pittsburgh 16Upset size9- Upset size7.5
South Carolina 34, 
No. 15 Clemson 17Upset size5.5
NC State 28, 
No. 23 North Carolina 27Upset size1.5
More: Mississippi State upsets · Ole Miss upsets · all Week 13 upsets · the 2009 season · how upset size works