Mattia Three-Bet; O'Brien and Kastle Fold

Casey Kastle opens to 1,625 in early position, Dan O’Brien three-bets to 3,800 in the next seat and the the action folds around to Gianluca Mattia in the big blind. He goes deep into the tank whilst staring into O’Brien and eventually four-bets to 8,175, Kastle mucks as does O’Brien.