Zach Thornton is an American soccer player who is goalkeeping coach for Chicago Fire FC. A goalkeeper, he spent 16 seasons in Major League Soccer with the New York/New Jersey MetroStars (1996–97), Chicago Fire (1998–2006), Colorado Rapids (2007), New York Red Bulls (2008) and Chivas USA (2008–11). He was the starting goalkeeper for the Fire when it won MLS Cup '98 in its inaugural year. He, Chris Armas, and C. J. Brown are the only three Fire players to be a part of all six of the club's domestic championships from 1998 through 2006.