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He hit his first major league home run against J. A. Happ of the Toronto Blue Jays on September 23 .
 J. A. Happ, Toronto Blue Jays
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:
 J. A. Happ, Toronto Blue Jays