View gallery Image Credit: Getty Images Rondale Moore, the 25-year-old former Arizona Cardinals wide receiver, died on February 21, 2026. Tributes from his team and fans quickly poured in as they tried to catch up with the shocking news of his passing. Since it appeared to be sudden, others are also asking what the cause of death was. Below, get updates on what happened to Moore and what we know about his final days. Who Was Rondale Moore? Moore was an Indiana native who began his football career back in high school, attending Trinity High School in Louisville, Kentucky.