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Bellator Fighting Championships Amaya made his debut on March 30 , 2012 at Bellator 63 against the UFC and Bellator veteran Ben Saunders in the quarterfinal match of Bellator season six welterweight tournament .
 Bellator, Bellator, UFC, Bellator, Ben Saunders, Bellator, welterweight
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bellator, Bellator, UFC, Bellator, Ben Saunders, Bellator, welterweight