Betcha didn't know this was happening Wednesday afternoon.
Yeah, that's right, Yacht racing.
It's being called one of sports history's greatest comebacks. Oracle Team USA, down 8-1 just last week, has come back to win the America's Cup over Team New Zealand.
This was after Oracle Team USA was docked last week for modifying boats in warmup regattas and had to win 11 races to retain their title.
The race Wednesday, a winner take all, was Race 19 in the competition and took place on San Francisco Bay.
Here's your highlights...
((HT: NBC Sports))