There was about 13,000 in the middle and Chris Moneymaker was faced with a 9,000-chip bet from his heads-up opponent on an board.
Moneymaker went deep into the tank on this one, but emerged with a call.
"Good call," his opponent said.
"We'll see," replied Moneymaker. "I've got a four."
"Like I said, good call," added his opponent, mucking as the table sat with their jaws dropped on the felt, astonished by the call Moneymaker just made showing for fourth pair.
After a preflop raising war, McDonald called off one 24,000-chip shove with just . Of course he was right as his heads-up opponent held and hit the rail after an run out.