What is every AFC North Division team's record against the over/under line as an underdog in the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Cincinnati 2-2-0 50.0% 50.0% +2.5
Cleveland 5-7-0 41.7% 58.3% 0.0
Baltimore 2-6-0 25.0% 75.0% -2.8
Pittsburgh 2-7-0 22.2% 77.8% -2.6