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Gerry Creaney , one of the few consistent goalscorers at Celtic at that time , was played out of position on the right-wing for several weeks before being sold to Portsmouth for £ 600,000 .
 Gerry Creaney, Celtic, Portsmouth
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gerry Creaney, Celtic, Portsmouth