CSBFL, or computer simulated fantasy baseball league, is a simulated fantasy baseball league at www.csfbl.com. It was created by Brian Demarzo on April 1, 2000. It allows one to create a baseball team in a league with 23 other teams also controlled by members, and compete against them. CSFBL is one of the first, if not the first , Massive Mutliplayer Baseball Simulations. It was released over a year before Baseball Mogul [1]