Alex Swetland is a 14-year-old with cerebral palsy. After contending with various bouts of health ailments, the teenager is eager to one day make his mark in MMA. Swetland is a story of determination and willpower. The 14-year-old has cerebral palsy and periventricular leukomalacia, which is known as PVL. PVL is a brain injury that causes softening of the white brain tissue near the ventricles in the brain.