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In 1905 , the team acquired 18-year - old Ty Cobb , a fearless player with a mean streak , who came to be regarded as one of the greatest players of all time .
 person: Ty Cobb
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Ty Cobb