He recalled having a feeling of dread after being paired with United in the quarter-finals.
"I was enjoying a game of golf on the day of the draw," said Redknapp. "I had been playing okay. Then I phoned Peter Storrie (chief executive) to see who we had been paired with.
"At the time I had an eight-iron in my hand. He went 'Manchester United' and the club went further than the ball!"