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The Uefa Clubs competitions , such as the old format of the Champions League and Cup Winners ' Cup , were also broadcast with the well-known mellow timbre of the Kolev 's voice .
 the old format of the Champions League, Kolev
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 the old format of the Champions League, Kolev