Where the defendant argues that more than one nonparty actor was the sole proximate cause of plaintiff’s injury, multiple parties do not preclude the court from giving the sole proximate cause jury instruction or an associated interrogatory.The 1st District Appellate Court reversed and remanded a decision from Cook County Circuit Judge James M. McGing.In 2009, Rene Douglas, a professional jockey, fell from his horse during a race at the Arlington Park Racecourse. His T5 vertebrae was fractured, damaging his spinal …