Challenge TourBrian KeoghJune 22, 2013Alan Dunbar, Brooks Koepka, Byeong-hun An, Colm Moriarty, Gareth Shaw, Niall Kearney, Scottish Hydro Challenge, Steve Tiley Dunbar swallowed by the pack Byeong-hun An shares the lead in the Scottish Hyrdo Challenge. Picture © Getty ImagesWhen you shoot 75 on the Challenge Tour, you can expect to get trampled in the stampede. Challenge TourBrian KeoghJune 22, 2013Alan Dunbar, Brooks Koepka, Byeong-hun An, Colm Moriarty, Gareth Shaw, Niall Kearney, Scottish Hydro Challenge, Steve Tiley