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

Definitions
Team Over Record Over % Under % Total +/-
Baltimore 5-3-1 62.5% 37.5% +6.5
Pittsburgh 2-2-0 50.0% 50.0% -2.8
Cleveland 5-8-0 38.5% 61.5% -0.5
Cincinnati 3-6-0 33.3% 66.7% -1.9