Robert O’Connell was all in preflop for 3,325,000 from the button and Eric Seeliger called from the big blind.
Robert O’Connell: 

Eric Seeliger: 

It was a classic with the 

flop giving O’Connell s gutshot straight draw.
The turn fell the
completing O’Connell’s straight but it wasn’t without a sweat as it also gave Seeliger the nut flush draw.
Luckily for O’Connell, the
paired the board on the river and secured his double-up.
Robert O’Connell - 6,800,000
Eric Seeliger - 525,000