What is every AFC South Division team's record against the over/under line as a road underdog since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Indianapolis 32-23-0 58.2% 41.8% +2.0
Jacksonville 30-28-1 51.7% 48.3% +2.7
Tennessee 26-25-0 51.0% 49.0% -1.0
Houston 26-34-1 43.3% 56.7% 0.0