"Improvements" by new coaches (last 3 seasons)

Alabama - N/A

Arkansas

2011: Petrino 11-2
2012: Smith 4-8
2013: Bielema 3-9

Auburn

2012: Chizik 3-9
2013: Malzahn 12-2

Florida

2010: Meyer 8-5
2011: Muschamp 7-6

Georgia: N/A

Kentucky

2012: Phillips 2-10
2013: Stoops 2-10

LSU: N/A

Mississippi State: N/A

Missouri: N/A

Ole Miss

2011: Nutt 2-10
2012: Freeze 7-6

South Carolina: N/A

Tennessee

2012: Dooley 5-7
2013: Jones 5-7

Texas A&M

2011: Sherman 6-6 (DeRyuter coached the bowl)
2012: Sumlin 11-2

Vanderbilt

2010: Johnson 2-10
2011: Franklin 6-7

Only one school in the SEC actually got noticeably worse after hiring a new coach...and they did it TWICE.