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On 15 December 1948 , the tough tackler commanded a £ 17,500 transfer fee ; this was a record for a half back and for both the buying and selling clubs when he moved to Alex Massie 's Aston Villa .
 Alex Massie, Aston Villa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Alex Massie, Aston Villa