UFC middleweight Josh Samman has died at the age of 28 following a probable drug overdose. The fighter spent five days in a Florida hospital and for two of those he was brain dead, says Dr Craig Mallak, chief medical examiner for Broward Country. He was moved to a hospice where he was declared dead on Wednesday morning. Dr Mallak said toxicology tests had been done and the cause of death would be listed as a probable drug overdose.