multiple outlets that he was hospitalized in Florida over the weekend after feeling pain all over his body and a general sense of unease. Sources told that Diamond is currently undergoing tests to find the cause of his pain, but noted that his doctors are concerned it's cancer. Diamond, who lost his mother to cancer, will have a biopsy done, the outlet's sources said.Diamond is best known for playing Screech on and its follow-up shows from 1989 to 2000.