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

Definitions
Team Over Record Over % Under % Total +/-
Indianapolis 39-30-2 56.5% 43.5% +2.0
Jacksonville 45-37-1 54.9% 45.1% +2.7
Tennessee 36-35-0 50.7% 49.3% +0.1
Houston 31-43-1 41.9% 58.1% -1.0