Conversation so far:
What happened in 1993 with Joe Montana?
Montana was traded to the Kansas City Chiefs on April 20, 1993, and signed a $10 million contract over three years.
How long did Joe Montana stay on the Kansas City Chiefs?
From 1993-1995
Are there any other interesting aspects about Joe Montana?
he Chiefs mailed three jerseys to Montana. One was number 3, his number from Notre Dame which the Chiefs had retired in honor of Jan Stenerud.

Question: How was Montana injured?
Self-contained rewrite: How was Joe Montana injured?