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The no-hitter was the first for a Red Sox pitcher since Howard Ehmke in 1923 , though this would prove the final highlight of Parnell 's career , which would come to a premature end after the 1956 season , due to a torn muscle in his pitching arm .
 organization: Red Sox; person: Howard Ehmke; person: Parnell
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:
 organization: Red Sox; person: Howard Ehmke; person: Parnell