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His first appearance for Celtic in a major competition came on 16 August 1980 when he replaced the injured Frank McGarvey during the second half of Celtic 's 3 – 0 win away against Kilmarnock in the league .
 Celtic, Frank McGarvey, Celtic, Kilmarnock
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Celtic, Frank McGarvey, Celtic, Kilmarnock