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Hugh " Hughie " Clifford ( 1866 – 1929 ) was a Scottish footballer , who played for Hibernian , Stoke , Celtic , Motherwell , Liverpool and Manchester City .
 Hughie, Clifford, Scottish, Hibernian, Stoke, Celtic, Motherwell, Liverpool, Manchester 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:
 Hughie, Clifford, Scottish, Hibernian, Stoke, Celtic, Motherwell, Liverpool, Manchester City