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After a similar length of time at Glebe Park , Ritchie moved south in the early 1970s to English side Bradford City , where he averaged around 20 league matches in each of his three seasons .
 Ritchie, English, Bradford City
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ritchie, English, Bradford City