If you want to prove you're a good poker player, you don't have to battle against the best. Nobody really cares if you ever bluffed Phil Ivey or got Daniel Negreanu to make a bad call. You're at the table for the money, not stories of conquest. A disciplined player, one who's playing for the right reasons, would rather sit with the worst, those he's sure to outplay. He's looking for donkeys and donors. He's hunting fish. InHunting Fishauthor Jay Greenspan...