What is every AFC South Division team's record against the over/under line as an underdog since the 2006 season?

Definitions
Team Over Record Over % Under % Total +/-
Tennessee 86-74-3 53.8% 46.3% +1.1
Indianapolis 67-63-2 51.5% 48.5% +1.5
Jacksonville 104-102-2 50.5% 49.5% +0.8
Houston 85-84-3 50.3% 49.7% +1.0