Record stands at 13-5 in posted plays - lost the first game of the w.series came back with KC in the second game. Let's look at some numbers:
KC Sheilds 30
170 SF Bumgarner 11
Sf opens up as a 170 fav. currently around 155. Clearly on paper Bumgarner is a better pitcher - his numerical rating (numbers from sagarin.com and a formula I use to give each pitcher a numerical rating - apples to apples) is 11 while shields is 30 (lower the better). When you look at the opening line (donbest.com) and when you have numerical ratings of 30 -11 - history shows the away team very often gets the victory. This has occurred this year already when Baltimore - Norris defeated Detroit - Price and during the regular season (first half) a bunch of times over the last few years. Either way good luck to all of you in whatever choice you make.