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With both rapidly approaching Roger Maris 's record of 61 home runs ( set in 1961 ) , the entire nation watched as the two power hitters raced to be the first to break into uncharted territory .
 Roger Maris
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Roger Maris