Stop looking for answers for the 48 miraculous games won by the Giants, most of which were pulled out of a hat, and start thinking about the other seemingly impossible wins of previous seasons.
As with most other SF Giants success stories it really can’t be explained.

Ever single trophy won was despite the fact the “experts” didn’t believe it would happen. I don’t remember a situation in which they were picked as a favorite.
They just do what they do despite the odds or the Odd!
Odd or even-this team is by far the most entertaining and most unexpected delight of Major League Baseball.

Gausman deals to set up wild extras win https://www.mlb.com/news/kevin-gausman-strong-in-giants-crazy-win-vs-angels