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He later played professional football for the Akron Pros , St. Louis All-Stars , and Cleveland Bulldogs from 1922 to 1925 .
 Akron Pros, St. Louis All-Stars, Cleveland Bulldogs
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Akron Pros, St. Louis All-Stars, Cleveland Bulldogs