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Riascos made his debut for Puebla on July 23 , 2011 against Club Atlas coming in as a sub in seconed half playing only 22 minutes .
 Riascos, Puebla, Club Atlas
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Riascos, Puebla, Club Atlas