47893
A lightweight bout between Danny Castillo and Alex Karalexis was once attached to this event , though it was later scrapped .
 Danny Castillo, Alex Karalexis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Danny Castillo, Alex Karalexis