What is every AFC South Division team's record against the over/under line as an underdog in the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Tennessee 8-4-0 66.7% 33.3% +8.3
Houston 2-1-0 66.7% 33.3% +1.5
Jacksonville 7-8-0 46.7% 53.3% +1.8
Indianapolis 4-6-1 40.0% 60.0% +3.3