David Tua is a Samoan-New Zealander former professional boxer who competed from 1992 to 2013. A highly ranked contender for most of his career, Tua was known for his brutal punching power, especially in his left hook; he scored sixteen knockout wins inside of the first round, which included knockouts of world heavyweight champions John Ruiz and Michael Moorer within thirty seconds of the first round, as well as late stoppages of other world champions Oleg Maskaev and Hasim Rahman.

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