Conversation so far:
Where did Andre the Giant appear in 1990-1992?
Andre Roussimoff made an interview appearance for Herb Abrams' fledgling Universal Wrestling Federation on October 11 in Reseda, California.
What did Andre the Giant do before his appearance on Herb Abrams' show?
Andre the Giant's final match of 1990 came at a combined WWF/All Japan/New Japan show on April 13 in Tokyo.
Where did Andre the Giant's return to WWF happen?
Andre the Giant's on-air return finally took place at the WWF's Super-Stars & Stripes Forever USA Network special on March 17, 1991.
What was the outcome of Andre the Giants interview on Herb Abrams' show?
Did Andre the Giant do well in the 1991 Royal Rumble?
The World Wrestling Federation announced Andre the Giant's return as a participant in the 1991 Royal Rumble but would ultimately back out due to a leg injury.

Question: How did Andre injure his leg?
Self-contained rewrite: How did Andre the Giant injure his leg?