The goal came in the 20th minute and put Barcelona up 1-0 over Athletic in the Copa Del Ray final. Neymar made it 2-0 shortly thereafter on a quintessential Barca goal.
Here's a look at Messi's full run:
Update: Messi makes it 3-0 Barca with a nice little flick shot of a cross from Dani Alves. He cut between two Athletic defenders and just snapped it in with an outside touch on his left foot. Athletic got one back in the 80th minute to make it 3-1, but this one seems settled for the Barca Boys.