Conversation so far:
What are Phil Mickelson's first three major wins?
Phil Mickelson's first major championship win came when he secured victory in the Masters with an 18-foot (5.5 m) birdie putt on the final hole.
When did Phil Mickelson win his first major championship?
Phil Mickelson's first major championship win came in his thirteenth year on the PGA Tour in 2004.
What are the other wins that Phil Mickelson had besides his first major championship?
In 2005, Phil Mickelson captured his second major at the PGA Championship at Baltusrol.

Question: Who were his opponents at the match?
Self-contained rewrite: Who were Phil Mickelson's opponents at the 2005 PGA Championship?