Arizona: 30-19 on the season. Favored in last 15 games,(12-3) in that span, including winning last 4 in a row. Starter tonight (Godley) ERA 2.45
Milwaukee: 25-22 on the season. Underdog last 10 games (5-5) in that span, and losing last 4 in a row. Starter tonight (Guerra) ERA 6.00
On paper you would expect D-Backs to be favored. Also there is currently 63% of public on Arizona.
(Brewers -115)
Finesse is a reference to how cleverly the books move their lines on certain games. To finesse the public into betting the wrong side.