How Giants' improved minor-league system affects trade deadline decisions

Farhan Zaidi addresses trade deadline amidst Giants hot streakSAN FRANCISCO -- The biggest question for the Giants -- buy or sell -- wasn't even a question a month ago, or just about every day since Farhan Zaidi took over in November.

The organization was in a world of hurt at all levels, and for about eight months, much of the talk at Oracle Park centered around how to make this team competitive in 2020 and good by 2021. But a couple of funny things happened along the way to the Great July Sale of 2019.

The first one is obvious, and has been in front of your face for three weeks. The Giants are suddenly good. After sweeping the Rockies and taking three of four from the Mets, they're entering…