GC 2: Collision at Colusa was an MMA event held on February 18, 2001 in Colusa, California. The main event was Romie Aram vs. Jerry Bohlander.
Romie Aram
Jerry Bohlander
Joe Stevenson
Kai Kamaka
Charlie Valencia
David Velasquez
Buck Greer
Pete Werve
Jake Shields
Randy Velarde
Quinton 'Rampage' Jackson
Dave Taylor
Marty Armendarez
Garyl Nelson
Brian Sleeman
Atilla Bodor
Jeremy Edwards
Dan Nolan
Jason Lambert
Jorge Lavama
Bao Quach
Joe Camacho
Lupe Barajas
David Padilla