Roberto Rolfo, who returned to World Superbike this season after a one-year return to grand prix, is set to miss the Portimao season finale after being injured in a training accident.

According to a message on his official website, the Pedercini Kawasaki rider suffered an exposed fractured of his left knee.

Rolfo is presently 18th in the championship. The Portimao round will be held on October 14-16.