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In its first series it was a single-game cup , played each year at minor-league Cooper Stadium in Columbus , was staged just days before the start of each new Major League Baseball season .
 Cooper Stadium, Columbus, Major League Baseball
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cooper Stadium, Columbus, Major League Baseball