Conversation so far:
When was the Whitaker vs Trinidad fight?
On February 20, 1999, Whitaker suffered his first convincing defeat against the much bigger, much fresher Félix Trinidad.
How many rounds did the Whitaker vs. Trinidad fight last?
The Whitaker vs. Trinidad fight lasted 12 rounds.
What happened in the last round of the Whitaker vs. Trinidad fight?
In the last round, Whitaker, with a badly swollen right eye, displayed a purely defensive stance, avoiding his opponent throughout the round while Trinidad continued the offensive until the end.

Question: Did he pass out?
Self-contained rewrite: Did Pernell Whitaker pass out in the Whitaker vs. Trinidad fight?