The San Francisco Giants have quite the rich baseball history, dating back to 1883. For players to be in the top 10 in their position in franchise history, they have to have played a minimum of 250 games with the Giants. It’s honestly fair since that’s about two full seasons. It wouldn’t feel right to include a one year player who was fantastic but never stuck around. Those types aren’t necessarily engrained into the history of the team.
There is a decent amount of Giants from the San Francisco era. If you harken back to our top ten shortstops, the majority of them had played for the New York editions of the franchise.