Stephen Nathan's pocket pair good for the pot

Hijack Ngoc Dai Nguyen raises to 1000 that finds three callers to the flop . Nguyen bets 2500 Nathan calls, the rest fold. On the turn , Nguyen fires another 2100, Nathan calls. On the the river, both players check. Nguyen has , Nathan has better to claim the pot. 

Stephen Nathan – 34,000
Ngoc Dai Nguyen – 42,000