5782
The 24-year-old rookie took the mound on April 22 , 1955 at Cleveland Stadium in the bottom of the 7th inning with the Tigers trailing the Cleveland Indians .
 Cleveland, Tigers, Cleveland Indians
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cleveland, Tigers, Cleveland Indians