Who is the feeder team for the Giants?

Who is the feeder team for the Giants? The Giants have been affiliated with the Double-A Richmond Flying Squirrels of the Eastern League since 2010, making it the longest-running active affiliation in the organization among teams not owned by the Giants.

The Giants have been affiliated with the Double-A Richmond Flying Squirrels of the Eastern League since 2010, making it the longest-running active affiliation in the organization among teams not owned by the Giants.
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