What is every National League Central team's record against the over/under line as a road underdog in the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Chi Cubs 22-15-3 59.5% 40.5% +1.4
Milwaukee 29-32-8 47.5% 52.5% +0.2
Pittsburgh 14-16-2 46.7% 53.3% +0.4
St. Louis 15-18-1 45.5% 54.6% +0.2
Cincinnati 29-35-1 45.3% 54.7% +0.3