66831
However a ruptured Anterior cruciate ligament in September 1990 would lead to several seasons struggling with knee injuries , and he would only play four further games from that point before announcing his retirement in January 1996 .
 Anterior
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Anterior