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This is a list of American football players who have played for the Pottsville Maroons in the National Football League ( NFL ) .
 Pottsville Maroons, National Football League
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pottsville Maroons, National Football League