Forrest Griffin will get a chance to avenge one of his losses, when he takes on Tito Ortiz at UFC 106. Griffin steps in for an injured Mark Coleman, and will be looking to bounce back from his devastating loss to Anderson Silva at UFC 101.Ortiz confirmed the bout on twitter with the following message: "So the match has been set!!!! Forrest vs Ortiz 2 live Nov 21st Las Vegas PPV. Let the Punishment begin!!!!"