 Kọ itẹsiwaju fun paragirafi yii - O ti gba awọn apamọwọ meji ni World Series of Poker, akọkọ ni 1999 ati ekeji ni 2005 : ó ṣe tán. Ni afikun, Grey ṣe tabili ipari ti  10,000 No Limit Texas hold em Main Event 2003, nibi ti o ti pari kẹjọ, gbigba  160,000. Chris Moneymaker tí ó jẹ olùdíje níkẹyìn yọ Grey kúrò. 