It's the Drew League, I don't wanna speak about The Rucker

from Game – Uncle Otis Lyrics on Rap Genius

Meaning

Game runs a basketball team in the Los Angeles ‘Drew League’ called GO HAM. Game contests that his league is just as good if not better than the legendary Rucker Park in Harlem. This statement may have some truth to it, as Drew League games attract NBA talent.

Also a play off of the Fat Joe line in Lean Back

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