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George Grande , who hosted the first " SportsCenter " on ESPN in 1979 , was the play-by-play announcer , usually alongside Chris Welsh , from 1993 until his retirement during the final game of the 2009 season .
 George Grande, SportsCenter, ESPN, Chris Welsh
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:
 George Grande, SportsCenter, ESPN, Chris Welsh