Design Depot - Makers of baseball and basketball board games and computer simulations.The Sports Attic - Computer simulated sports leagues for football, baseball and basketball. Annual dues required.
SimulatedSports.com - Free simulated basketball and horse racing games.
Playasport - Offers free sports simulation leagues where users manage a professional team of simulated athletes in fantasy baseball, basketball, football, and trivia games.
WhatIfSports.com - Free sports simulations. Play past or future games in NCAA basketball, NBA, MLB, and NFL.
Matchup Sports - A collection of sports simulators and games.
Fantasy Soccer 93 - Fantasy soccer tournament with newspaper named "Gazzetta del Fantasport" for news and comments. Based out of Italy.
