196558
The stakes for the fight were high as not only would the winner unify the WBA and WBC titles , but they would also get to face undefeated IBF Heavyweight champion Michael Spinks to determine the next Undisputed Heavyweight champion .
 WBA, WBC, IBF, Michael Spinks
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 WBA, WBC, IBF, Michael Spinks