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In the minors , as a result of his fearless defense , he was referred to as " a crash test dummy with a death wish " , a " human wrecking ball act " , a " wall magnet " , and a " manager 's dream and a trainer 's worst nightmare . "
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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