Mercer Island soccer holds off Glacier Peak to advance November 14, 2009 8:00 pm Left: Islander captain Mary Hill celebrates after scoring a goal against Glacier Peak during a playoff game at Mercer Island on Saturday. Mercer Island won 2-1 to advance to the next round. Right: Islander midfielder Rachel Pedreira (12) advances a ball. Pedreira scored Mercer Island's first goal of the game Saturday. The Islanders scored two goals in the first half and held on to beat Glacier Peak 2-1 at Mercer Island Stadium on Saturday.