Colorado Mammoth

The Colorado Mammoth is a member of the National Lacrosse League, a professional sports league in North America. They have played at the Pepsi Center in Denver, Colorado, since the 2002-2003 season. They had previously been the Baltimore Thunder from 1997 to1999; the Pittsburgh CrossFires from 1999 to 2000 and the Washington Power from 2000 to 2002.

The Baltimore Thunder had played in Major Indoor Lacrosse League from 1987 to 1997.

The Baltimore Thunder won the 1987 MILL championship.