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

Definitions
Team Over Record Over % Under % Total +/-
New England 1-0-0 100.0% 0.0% +27.0
Arizona 2-0-0 100.0% 0.0% +22.3
Carolina 2-0-0 100.0% 0.0% +14.8
Indianapolis 6-2-0 75.0% 25.0% +4.8
Kansas City 3-1-1 75.0% 25.0% +3.4
Las Vegas 8-3-0 72.7% 27.3% +5.5
NY Jets 2-1-0 66.7% 33.3% -4.0
Philadelphia 4-2-0 66.7% 33.3% +6.2
Jacksonville 7-4-0 63.6% 36.4% +8.1
NY Giants 5-3-0 62.5% 37.5% +8.4
Washington 8-6-0 57.1% 42.9% +2.4
Tennessee 6-5-1 54.6% 45.5% 0.0
Tampa Bay 6-5-0 54.6% 45.5% +1.5
Houston 6-5-0 54.6% 45.5% 0.0
Seattle 2-2-0 50.0% 50.0% +2.5
Detroit 5-5-0 50.0% 50.0% -1.4
Denver 3-3-0 50.0% 50.0% +2.7
Cincinnati 2-2-0 50.0% 50.0% +2.5
Chicago 6-7-1 46.2% 53.9% +1.1
New Orleans 4-5-0 44.4% 55.6% -1.3
San Francisco 7-9-0 43.8% 56.3% -4.0
Cleveland 5-7-0 41.7% 58.3% 0.0
Miami 4-6-0 40.0% 60.0% -1.6
Buffalo 3-5-0 37.5% 62.5% +1.0
Minnesota 2-4-2 33.3% 66.7% -5.8
LA Chargers 3-7-0 30.0% 70.0% -5.6
Dallas 3-8-0 27.3% 72.7% -7.2
Baltimore 2-6-0 25.0% 75.0% -2.8
Green Bay 1-3-0 25.0% 75.0% -0.9
LA Rams 2-7-0 22.2% 77.8% -2.6
Pittsburgh 2-7-0 22.2% 77.8% -2.6
Atlanta 1-5-0 16.7% 83.3% -2.6