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Video | Passing ‘The Keith Thurman Test’

Keith Thurman talks about the test trainer Dan Birmingham started using when he was 15 years old.

012_Keith_Thurman Photo by Esther Lin

Keith Thurman talks about the test trainer Dan Birmingham started using when he was 15 years old.

Essentially, Birmingham would only accept new talent if they proved they could spar with a teenaged Thurman.

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