The Mammoth franchise previously played as the Baltimore Thunder from 1987 to 1999, the Pittsburgh CrosseFire in 2000, and the Washington Power from 2001 to 2002.

[1] In 2008, the Mammoth average attendance per game was higher than Pepsi Center's other teams, the Colorado Avalanche (NHL) and the Denver Nuggets (NBA).

Round two (Western Division finals) was also hosted at Pepsi Center against the Arizona Sting.

The Mammoth won the Champion's Cup by a score of 16–9, with Gavin Prout being named Game MVP.

The Mammoth won the National Lacrosse League Cup beating the Buffalo Bandits 2 games to 1, with Dillon Ward being named the Finals MVP.