The dude just knows how to accumulate the chips, and right now he's sitting behind about 1.7 million of them.
That puts him just about even with his heads-up opponent Steven Burkholder - and a whisker away from a prestigious $1.5k Pot-Limit Omaha bracelet.
Good luck sir.
Check the updates as they play down to a winner here.
Check back here in the blog tomorrow for the recap of the party if he wins.
Update: Mercier wins! Check the news section shortly for a recap and an interview with the young superstar!