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In page Negro league baseball:

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Around the same time, Nat Strong, a white businessman, started using his ownership of baseball fields in the New York City area to become the leading promoter of blackball on the East coast. Just about any game played in New York, Strong would get a cut. Strong eventually used his leverage to almost put the Brooklyn Royal Giants out of business, and then he bought the club and turned it into a barnstorming team.[citation needed]