What is every National League Central team's record against the over/under line as an underdog since the 2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Pittsburgh 828-806-82 50.7% 49.3% +0.6
St. Louis 431-437-44 49.7% 50.4% +0.6
Cincinnati 667-704-68 48.7% 51.4% +0.4
Chi Cubs 536-572-61 48.4% 51.6% +0.4
Houston 561-601-46 48.3% 51.7% +0.4
Milwaukee 525-597-51 46.8% 53.2% +0.2