4144
On April 29 , 1967 , he pitched the last 8.1 innings of a 15-inning loss to the Boston Red Sox , striking out a career-high 8 and allowing just two runs .
 Boston Red Sox
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Boston Red Sox